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A061342 Period of the stationary component of the pattern which a row of n cells becomes in Conway's Game of Life. 4
1, 1, 2, 1, 2, 1, 1, 1, 2, 15, 2, 1, 2, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 2, 2, 2, 1, 2, 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 2, 2, 1, 2, 2, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

For n = 56, the pattern produces gliders and thus does not oscillate in the truest sense of the word. For n = 57, no gliders are produced and a(57) = 2. There exists an N such that for all n >= N, the row of n alive cells produces gliders and thus does not oscillate. [Nathaniel Johnston, Jun 08 2009]

LINKS

Eric M. Schmidt, Table of n, a(n) for n = 1..1000

LifeWiki, One cell thick pattern [From Nathaniel Johnston, Jun 08 2009]

EXAMPLE

a(10) = 15 because a line of 10 cells becomes the pentadecathlon.

a(56) = 2 because a line of 56 cells becomes 4 gliders (which we ignore) and a remaining pattern of period 2. - Eric M. Schmidt, May 24 2014

CROSSREFS

Cf. A152389.

Sequence in context: A088203 A205649 A176510 * A104639 A260704 A161223

Adjacent sequences:  A061339 A061340 A061341 * A061343 A061344 A061345

KEYWORD

nonn

AUTHOR

Alex Fink (fink(AT)cadvision.com), Jun 06 2001

EXTENSIONS

More general definition and sequence extended by Eric M. Schmidt, May 24 2014

STATUS

approved

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Last modified June 25 22:10 EDT 2019. Contains 324357 sequences. (Running on oeis4.)