This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A061342 #14 Nov 03 2024 16:42:21 %S A061342 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, %T A061342 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, %U A061342 2,2,2,2,2,2,2,2,2,2,2,2,2,2,1,2,2,2,2 %N A061342 Period of the stationary component of the pattern which a row of n cells becomes in Conway's Game of Life. %C A061342 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 %H A061342 Eric M. Schmidt, <a href="/A061342/b061342.txt">Table of n, a(n) for n = 1..1000</a> %H A061342 LifeWiki, <a href="https://conwaylife.com/wiki/One-cell-thick_pattern">One-cell-thick pattern</a> %e A061342 a(10) = 15 because a line of 10 cells becomes the pentadecathlon. %e A061342 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 %Y A061342 Cf. A152389. %K A061342 nonn %O A061342 1,3 %A A061342 _Alex Fink_, Jun 06 2001 %E A061342 More general definition and sequence extended by _Eric M. Schmidt_, May 24 2014