411 REFERENCE · Wiktionary
B-heptomino
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
es
en cellular automata A particular seven-cell methuselah in Conway's Game of Life.
en 1994-05-07 David Bell HighLife - An Interesting Variant of Life (part 3/3) comp.theory.cell-automata https://groups.google.com/g/comp.theory.cell-automata/c/7j1xbML8x1Y/m/TbJCj2k1Q70J Perturbations of its reaction also reproduce it in different generations. This might be tamed someday to form glider guns or puffers, as the B-heptomino in Life has been.
en 1994-05-11 Paul Callahan HighLife - An Interesting Variant of Life (part 3/3) comp.theory.cell-automata https://groups.google.com/g/comp.theory.cell-automata/c/7j1xbML8x1Y/m/EXDWmdxzGVYJ Actually, the period 30 "queen bee" shuttle seems irreparable, as it contains several instances of the Ship neighborhood duriod its cycle. It's the period 46 b-heptomino shuttle that can be stabilized with clocks.
en 2008-06-25 Dave Greene Life: B37/S23 - A Chaotic Universe. comp.theory.cell-automata https://groups.google.com/g/comp.theory.cell-automata/c/u8IxyIXvEbA/m/3MJy-4QGx-oJ In B37/S23, it goes symmetrical after 10 ticks, and produces a familiar pair of B-heptominoes after 23 ticks (the next generation after this can be found in the rotor of a standard B3/S23 p46 oscillator):