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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.

A202467 Number of (n+2)X6 binary arrays with no more than two of any consecutive three bits set in any row or column.

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%I A202467 #7 Jul 22 2025 16:36:33
%S A202467 54085,1774281,57262144,1828904402,58746383721,1885066867201,
%T A202467 60472625443366,1940390570621922,62257900228006925,
%U A202467 1997548362431307729,64092086253488512734,2056411827878286085746,65980528433359436484485
%N A202467 Number of (n+2)X6 binary arrays with no more than two of any consecutive three bits set in any row or column.
%C A202467 Column 4 of A202471
%H A202467 R. H. Hardin, <a href="/A202467/b202467.txt">Table of n, a(n) for n = 1..210</a>
%e A202467 Some solutions for n=1
%e A202467 ..0..0..0..1..0..1....1..0..0..1..1..0....0..0..0..0..0..0....0..1..1..0..0..0
%e A202467 ..1..0..0..0..1..0....1..0..0..0..0..0....0..1..0..0..1..1....1..0..0..1..1..0
%e A202467 ..0..1..1..0..0..1....0..0..1..0..1..0....0..1..0..0..1..1....1..0..1..0..0..1
%K A202467 nonn
%O A202467 1,1
%A A202467 _R. H. Hardin_ Dec 19 2011