41P7.2

41P7.2
x = 13, y = 14, rule = B3/S23 9b2o$9bo$10bo$9b2o$8bo$9b2o$8bo2bo$3bob5o2bo$b3obo4b2o$o4bobobo$b4o4bo $5b4o$3bo2bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ AUTOSTART ]] #C [[ GPS 4 LOOP 7 ]]
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Pattern type	Oscillator
Number of cells	41
Bounding box	13×14
Period	7
Mod	7
Heat	6.6
Volatility	0.38
Strict volatility	0.38
Discovered by	Dean Hickerson
Year of discovery	Unknown
Rules Outer-totalistic rules B3/S23 – B378/S23678 Important rules Conway Life # of rules 25 = 32 Isotropic rules B3-c/S23-a – B2n34ce5ci6n78/S234cekqt5-eq678
Glider synthesis Fewest gliders 98 (17†) Catagolue-generated RLE 41p7.2_synth.rle †Can be constructed with 17 gliders using the reverse caber tosser universal constructor.
Pattern files Plaintext 41p7.2.cells RLE 41p7.2.rle
Identifiers apgcode xp7_wg886picgc48czoi7o5knzx343 Pentadecathlon ID 41P7.2

41P7.2 is an unnamed period-7 oscillator discovered by Dean Hickerson no later than November 1998. In generation 5 it provides a two-cell spark, making it useful in the construction of higher-period oscillators.

Image gallery

Generation 5 reveals the useful two-cell spark.

See also

• Unix on 41P7.2
• 77P77

External links

• 41P7.2 at Adam P. Goucher's Catagolue

• 41P7.2 at Heinrich Koenig's Game of Life Object Catalogs