A086973 Period of oscillator reached starting with a segment of n consecutive live cells and applying the LongLife 2D rule (see comment).

0, 0, 0, 0, 0, 0, 2, 2, 2, 4, 2, 2, 6, 6, 8, 8, 14, 14, 2, 2, 28, 28, 6, 6, 62, 62, 16, 16, 126, 126, 28, 28, 112, 60, 6, 6, 10, 30, 2, 56, 2640, 2, 4, 6, 2, 4, 4, 4, 2, 6, 2, 2, 2, 2, 6, 14, 6, 6, 2, 6, 102, 6, 2, 4, 18, 42, 2, 2, 102, 12, 42, 2, 18, 12, 6

Offset: 1

Author

Benoit Cloitre, Sep 22 2003

Keywords

• nonn

Comments

LongLife rule : birth occurs if dead cell has 3,4 or 5 neighbors. Survival occurs if live cell has 5 neighbors. (Sequence computed using LifeLab for mac).

Links

• Rémy Sigrist, PARI program
• Eric Weisstein's World of Mathematics, Game of Life.

Crossrefs

Cf. A086993 (pre-periodic steps).

Programs

PARI

See Links section.

Extensions

More terms from Rémy Sigrist, Sep 07 2022