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A098720 a(3) = 0; otherwise, a(n) = A152389(n) - 1. 3
0, 0, 0, 1, 5, 11, 13, 47, 19, 1, 14, 14, 23, 27, 39, 31, 23, 19, 24, 19, 18, 34, 29, 27, 92, 23, 27, 32, 35, 102, 147, 59, 579, 41, 56, 90, 105, 261, 275, 48, 208, 56, 51, 55, 96, 53, 167, 193, 810, 102, 51, 51, 82, 56, 78, 245, 415, 61, 61, 311, 114, 115 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..62.

LifeWiki, One cell thick pattern

Eric Weisstein's World of Mathematics, Life

EXAMPLE

After a single unique pattern consisting of a solid 3 by 8-cell block, the sequence of patterns following a 10-cell straight line becomes a cyclical process of repeating patterns. Therefore a(n) = 1 for n = 10.

CROSSREFS

Cf. A152301, A152389.

Sequence in context: A125742 A269844 A116440 * A115091 A034924 A018607

Adjacent sequences:  A098717 A098718 A098719 * A098721 A098722 A098723

KEYWORD

nonn

AUTHOR

Axel Harvey, Sep 29 2004

EXTENSIONS

a(21)-a(34) from John M. Campbell, May 05 2012

More terms and definition changed by Eric M. Schmidt, Aug 15 2012

STATUS

approved

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Last modified June 26 20:19 EDT 2019. Contains 324380 sequences. (Running on oeis4.)