Beacon variants

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This page lists stator variants of the period-2 beacon.

Beacon on some induction coil

Several induction coils with a line of four or six can be added to beacon.

Pattern Identifiers Natural commonness Glider synthesis
Viewer Name apgcode Niemiec Pentadecathlon Position in Achim Flammenkamp's census Position in Adam P. Goucher's Catagolue Frequency class Cost in gliders Info
x = 4, y = 7, rule = B3/S23 2b2o$3bo$o$2o2$4o$o2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 Cis-beacon on table; Up beacon on table xp2_318c0f9 12bcta1 12P2.2 21st oscillator 12th period-2 oscillator 28.7 6 -
x = 6, y = 7, rule = B3/S23 4b2o$5bo$2bo$2b2o2$4o$o2bo! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 Trans-beacon on table; Down beacon on table xp2_wbq23z32 12bcta2 12P2.4 22nd oscillator 11th period-2 oscillator 28.6 5 -
x = 4, y = 8, rule = B3/S23 2b2o$3bo$o$2o2$4o$o2bo$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 Cis-beacon on cap; Up beacon on cap xp2_318c0f96 14bcct1 14P2.5 32nd oscillator 22nd period-2 oscillator 30.7 6 -
x = 6, y = 8, rule = B3/S23 2o$o$3bo$2b2o2$2b4o$2bo2bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 Trans-beacon on cap; Down beacon on cap xp2_318czw3553 14bcct2 12P2.4 49th oscillator 26th period-2 oscillator 32.3 5 -

[note 1]

Alternative bushing of beacon

A common alternative bushing of the diagonal on-off features a line of five with a terminal dent. When analyzed in isotropic non-totalistic notation, one of the rotor cells turns ON via B3a and OFF via -S4q as in the original beacon, but the other rotor cell uses B3j and -S4k. They are shown in the following table.

Pattern Identifiers Natural commonness Glider synthesis
Viewer Name apgcode Niemiec Pentadecathlon Position in Achim Flammenkamp's census Position in Adam P. Goucher's Catagolue Frequency class Cost in gliders Info
9b$4b2o3b$4bobo2b$bo5bo$b5obo$6bo2b$3bo5b$3b2o4b$9b! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 Mangled 1 beacon; Pre-block on very long table w/feather xp2_c88b9iczw32 16pvtaft 16P2.88 - 82nd period-2 oscillator 37.2 10 -
x = 7, y = 7, rule = B3/S23 3bo$b3o$o5bo$ob5o$bo$4bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 21P2[note 1]; Pre-block on very long table w/tail; ?16?195 xp2_8e1t2gozw23 16pvtatl 16P2.91 38th oscillator 27th period-2 oscillator 32.5 6 -
2b2o3b$bobo3b$o2bob2o$2obo2bo$bobo3b$bo2bo2b$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 1 beacon; Pre-block on very long table w/tail siamese feather; ?18?187 xp2_ca9baiczw32 18pvtatf 18P2.465 32nd oscillator 16th period-2 oscillator 29.4 7 -
x = 7, y = 7, rule = B3/S23 3bo$b5o$o5bo$5obo$5bo$2bo$2b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 25P2[note 1]; Pre-block on very long table w/tail siamese tail; ?18?651 xp2_caabaiczw32 18pvtatt 18P2.471 49th oscillator 39th period-2 oscillator 34.0 9 -
x = 8, y = 7, rule = B3/S23 4bo$2o2b3o$o6bo$b5obo$6bo$3bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 24P2[note 1]; Pre-block on very long table w/tail and head; ?18?688 xp2_6a88baiczx32 18pvtath 18P2.420 49th oscillator 48th period-2 oscillator 35.4 8 -
x = 7, y = 8, rule = B3/S23 2b2o$bo2bo$bobo$2obo2bo$3bob2o$2obo$o2bo$b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 22P2[note 1]; Pre- block on very long table w/ tail and curl; ?22?238 xp2_69b8baiczx32 20pvtatc 20P2.2254 44th oscillator 30th period-2 oscillator 32.6 5 -
x = 8, y = 7, rule = B3/S23 b2ob2o$obobobo$o6bo$b5obo$6bo$3bo$3b2o! #C [[ THUMBSIZE 2 THEME 6 GRID GRIDMAJOR 0 SUPPRESS THUMBLAUNCH ]] #C [[ ZOOM 32 THUMBSIZE 4 GPS 1 AUTOSTART LOOP 2 ]]
(click above to open LifeViewer)
RLE: here Plaintext: here
 26P2[note 1]; Pre-block on very long table w/feather and curl; ?20?423 xp2_69b8b9iczx32 20pvtafc 20P2.2235 49th oscillator 44th period-2 oscillator 34.4 9 -

Notes

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Name not recommended due to not indicating minimum population.[1]

References

<references> [1]

  1. ↑ 1.0 1.1 Dave Greene (March 18, 2021). Re: Thread for basic questions (discussion thread) at the ConwayLife.com forums
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