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 A188862 #8 May 01 2018 08:43:22 %S A188862 32,99,178,259,340,421,502,583,664,745,826,907,988,1069,1150,1231, %T A188862 1312,1393,1474,1555,1636,1717,1798,1879,1960,2041,2122,2203,2284, %U A188862 2365,2446,2527,2608,2689,2770,2851,2932,3013,3094,3175,3256,3337,3418,3499,3580 %N A188862 Number of n X 5 binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally. %C A188862 Column 5 of A188866. %H A188862 R. H. Hardin, <a href="/A188862/b188862.txt">Table of n, a(n) for n = 1..200</a> %F A188862 Empirical: a(n) = 81*n - 65 for n>2. %F A188862 Empirical g.f.: x*(32 + 35*x + 12*x^2 + 2*x^3) / (1 - x)^2. - _Colin Barker_, May 01 2018 %e A188862 Some solutions for 3 X 5: %e A188862 ..1..1..1..1..0....1..1..1..1..1....1..1..1..1..1....1..1..1..1..1 %e A188862 ..1..0..0..0..0....1..1..0..1..1....0..1..1..1..1....1..1..1..1..1 %e A188862 ..0..0..0..0..0....0..0..0..0..0....0..0..1..0..1....0..1..0..1..1 %Y A188862 Cf. A188866. %K A188862 nonn %O A188862 1,1 %A A188862 _R. H. Hardin_, Apr 12 2011