A086993 Number of generations needed to reach an oscillator, starting with a segment of n consecutive live cells and applying the LongLife 2D rule (see comment).

1, 1, 2, 3, 4, 5, 5, 6, 11, 9, 10, 10, 13, 17, 19, 21, 33, 30, 22, 22, 64, 74, 25, 24, 83, 97, 40, 45, 215, 227, 223, 348, 128, 510, 51, 53, 115, 1429, 1581, 337, 4435, 425, 4791, 5564

Offset

1,3

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 Macintosh.)

Links

Table of n, a(n) for n=1..44.

Eric Weisstein's World of Mathematics, Game of Life

Crossrefs

Cf. A086973 (oscillator period).

Sequence in context: A017840 A017855 A051598 * A238714 A289311 A351926

Adjacent sequences: A086990 A086991 A086992 * A086994 A086995 A086996

Keyword

nonn,more

Author

Benoit Cloitre, Sep 22 2003

Status

approved