Difference between revisions of "List of long-lived methuselahs"

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| 360.4
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! 47487
| [[47575M#Smaller_forms|47487M]]
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==References==
==References==
<references>
<references>
<ref name="post70221">{{LinkForumThread
|format    = ref
|author    = Ian07
|date      = February 10, 2019
|p          = 70221
|title      = Re: Soup search results
}}</ref>
<ref name="post66055">{{LinkForumThread
<ref name="post66055">{{LinkForumThread
|format    = ref
|format    = ref

Revision as of 20:24, 10 February 2019

This is a list of methuselahs in the Game of Life. This list may change as new methuselahs are discovered.

Lifespan (L) Pattern Bounding box MCPS Initial population (I) Final population (F) L/I F/I F/L L/MCPS
47575 47575M[1] 16×16 132 131 4054 363.2 30.9 0.085 360.4
47487 47487M 17×22 37 16 4054 2967.9 253.4 0.085 1283.4
42883 Homer[2] 16×16 131 129 4333 332.4 33.6 0.101 327.4
42100 42100M[3] 16×16 135 130 4884 323.8 37.6 0.116 311.9
40514 40514M 78×54 104 18 3735 2250.8 207.5 0.092 389.6
39693 Wilma[4] 20×20 201 197 3524 201.5 17.9 0.089 197.5
35426 Fred 20×20 164 150 2924 236.2 19.5 0.083 216.0
35201 35201M 20×20 188 183 5828 192.4 31.8 0.166 187.2
35161 35161M 32×28 66 30 5823 1172.0 194.1 0.166 532.7
32829 32829M[5] 31×23 47 15 3413 2188.6 227.5 0.104 698.5
31192 Edna (original variant) 20×20 157 149 3602 209.3 24.2 0.115 198.7
31082 Edna (26-cell variant) 43×26 73 26 3602 1195.4 138.5 0.116 425.8
30872 Ed 20×20 163 151 2833 204.5 18.8 0.092 189.4
30046 Eve 16×10 26 20 3026 1502.3 151.3 0.101 1155.6
29126 Lidka predecessor[6] 9×6 15 13 1623 2240.5 124.8 0.056 1941.7
29055 Lidka (Bell's grandparent) 9×15 21 13 1623 2235.0 124.8 0.056 1383.6
29053 Lidka (original) 9×15 21 13 1623 2234.8 124.8 0.056 1383.5
28786 Iwona 20×21 42 19 3091 1515.1 162.7 0.107 685.4
27732 27732M[7] 12×3 20 18 2923 1540.7 162.4 0.105 1386.6
27406 27406M[8] 6×6 20 20 2276 1370.3 113.8 0.083 1370.3
26659 26659M[8] 8×5 17 16 3496 1666.2 218.5 0.131 1568.2
26458 Justyna 22×17 40 20 3548 1322.9 177.4 0.134 661.5
25567 25567M[9] 6×6 18 18 2774 1420.4 154.1 0.108 1420.4
25415 25414M[8] 11×3 23 23 2012 1105 87.5 0.079 1105
25306 25306M[9] 10×4 17 14 3274 1807.6 233.9 0.129 1488.6
24827 24827M[10] 8×7 16 13 5151 1909.8 396.2 0.207 1551.7
23662 23662M[11][note 1] 16×2 21 20 2611 1183.1 130.5 0.110 1126.8
23354 Blom (23354 generation variant)[12] 7×6 17 14 2740 1668.1 195.7 0.117 1373.8
23349 Blom predecessor[13] 6×6 18 16 2740 1459.3 171.3 0.117 1297.2
23334 23334M (11-cell equivalent)[14] 5×8 14 11 2898 2121.3 263.5 0.124 1666.7
23334 23334M 5×8 14 12 2898 1944.5 241.5 0.124 1666.7
23317 Blom (15×2 variant)[11] 15×2 19 18 2740 1295.4 152.2 0.118 1227.2
23315 Blom (12-cell variant)[12] 13×4 16 12 2740 1942.9 228.3 0.118 1457.2
23314 Blom 12×5 17 13 2740 1793.4 210.8 0.118 1371.4
23313 Blom (11×3 variant)[12] 11×3 15 13 2740 1793.3 210.8 0.118 1554.2
18034 18034M[14] 5×8 13 11 2305 1639.5 209.5 0.128 1387.2
17778 17778M[15] 7×7 15 12 2385 1481.5 198.8 0.134 1185.2
17670 Bunnies variant[13] 6×6 18 16 1753 1104.4 109.6 0.099 981.7
17465 Bunnies 11 6×4 12 11 1749 1587.7 159.0 0.100 1455.4
17423 Bunnies 10 6×6 12 10 1749 1742.3 174.9 0.100 1451.9
17410 Bunnies 9 8×7 12 9 1744 1934.4 193.8 0.100 1450.8
17332 Bunnies 8×4 11 9 1744 1925.8 193.8 0.101 1575.6
17331 Rabbits 7×3 10 9 1744 1925.7 193.8 0.101 1733.1
14911 14911M[11][note 2] 38×1 38 27 3554 552.3 131.6 0.238 392.4
7468 7468M 6×4 9 8 952 933.5 119.0 0.127 829.8
6929 Jaydot 3×6 10 9 1124 769.9 124.9 0.162 692.9
5206 Acorn 7×3 8 7 633 743.7 90.4 0.122 650.8
3933 Multum in parvo 6×4 7 7 633 561.9 90.4 0.161 561.9
3911 Switch engine 6×4 10 8 842 488.9 105.3 0.215 391.1
1108 R-pentomino relatives 6×3 7 6 116 184.7 19.3 0.105 158.3
1105 R-pentomino grandparents 4×3, 3×4, 4×4 5 5 116 221.0 23.2 0.105 221
1103 R-pentomino 3×3 5 5 116 220.6 23.2 0.105 220.6
530 Two-glider mess 6×6 11 10 72 53 7.2 0.136 48.2
437 F-heptomino 4×4 7 7 60 62.4 8.6 0.137 62.4
343 E-heptomino 4×3 7 7 51 49.0 7.3 0.149 49.0
243 Thunderbird 3×5 7 6 46 40.5 7.7 0.189 34.7
191 Queen bee 7×5 12 12 30 15.9 2.5 0.157 15.9
184 Gliders by the dozen (predecessor) 5×3 9 8 124 23 15.5 0.674 20.4
177 Gliders by the dozen (original form) 9×5 21 20 124 8.9 6.2 0.701 8.4
173 Pi-heptomino 3×3 7 7 55 24.7 7.9 0.318 24.7
148 B-heptomino 4×3 7 7 26 21.1 3.7 0.176 21.1
148 C-heptomino 4×3 7 7 26 21.1 3.7 0.176 21.1
131 Herschel great-grandparent 7×5 20 19 22 6.9 1.2 0.168 6.6
130 Herschel grandparent 5×4 8 7 22 18.6 3.1 0.169 16.3
130 Die hard 8×3 11 7 0 18.6 0 0 11.8
129 Herschel parent 5×4 7 6 22 21.5 3.7 0.171 18.4
128 Herschel 3×4 7 7 22 18.3 3.1 0.172 18.3
106 Block and glider 4×3 6 6 8 17.7 1.3 0.075 17.7
103 Century 4×3 6 6 15 17.2 2.5 0.146 17.2

See also

Notes

  1. ↑ The longest-lasting methuselah not exceeding a 16×2 bounding box.
  2. ↑ The longest-lasting methuselah not exceeding a 40×1 bounding box.

References

  1. ↑ Ian07 (February 10, 2019). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  2. ↑ Adam P. Goucher (November 30, 2018). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  3. ↑ Ian07 (October 31, 2018). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  4. ↑ Rob Liston (October 28th, 2018). Re: Soup search results (discussion thread) at the ConwayLife.com forums
  5. ↑ Matthias Merzenich (October 10th, 2010). Re: The Online Life-Like CA Soup Search (discussion thread) at the ConwayLife.com forums
  6. ↑ Simon Ekström (March 8, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  7. ↑ Simon Ekström (July 20, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  8. ↑ 8.0 8.1 8.2 Simon Ekström (April 10, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  9. ↑ 9.0 9.1 Simon Ekström (March 23, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  10. ↑ Simon Ekström (March 10, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  11. ↑ 11.0 11.1 11.2 Simon Ekström (April 3, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  12. ↑ 12.0 12.1 12.2 Simon Ekström (March 5, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  13. ↑ 13.0 13.1 Simon Ekström (March 16, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums
  14. ↑ 14.0 14.1 Simon Ekström (May 13, 2016). Re: Thread for your unsure discoveries (discussion thread) at the ConwayLife.com forums
  15. ↑ Simon Ekström (February 22, 2017). Re: Long-lived methuselahs (discussion thread) at the ConwayLife.com forums

External links

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