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 A188746 #7 Jul 22 2025 11:20:24 %S A188746 256,65536,2227333,217243096,20939826298,1458401558672, %T A188746 122293738629021,10143499802360135,801618812875139251, %U A188746 65318162143525733827,5304356577782619235403,427773556302789402791981 %N A188746 Number of nX8 binary arrays without the pattern 1 1 1 diagonally, vertically or antidiagonally. %C A188746 Column 8 of A188747 %H A188746 R. H. Hardin, <a href="/A188746/b188746.txt">Table of n, a(n) for n = 1..114</a> %e A188746 Some solutions for 3X8 %e A188746 ..0..0..0..0..0..0..0..1....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0 %e A188746 ..0..1..0..1..0..1..1..0....1..0..1..1..1..1..1..0....0..1..0..0..1..0..0..1 %e A188746 ..0..0..1..0..1..0..1..1....1..0..0..0..1..1..0..1....0..1..0..1..0..1..0..1 %K A188746 nonn %O A188746 1,1 %A A188746 _R. H. Hardin_ Apr 09 2011