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 A188605 #7 Jul 22 2025 11:17:11 %S A188605 54,2916,45860,721597,8951764,111888105,1318303126,15651179908, %T A188605 182869043451,2144672066828,25036785947669,292716527971307, %U A188605 3417501720587342,39921719161278443,466144062799739670 %N A188605 Number of nX7 binary arrays without the pattern 1 1 0 diagonally, vertically, antidiagonally or horizontally. %C A188605 Column 7 of A188607 %H A188605 R. H. Hardin, <a href="/A188605/b188605.txt">Table of n, a(n) for n = 1..200</a> %e A188605 Some solutions for 3X7 %e A188605 ..1..0..0..0..0..0..0....0..1..0..0..1..0..1....0..0..0..1..0..0..0 %e A188605 ..1..0..0..1..1..1..1....0..0..1..0..0..0..0....1..0..0..0..0..1..0 %e A188605 ..1..0..0..0..1..0..0....0..1..0..1..0..0..1....0..0..0..0..0..1..1 %K A188605 nonn %O A188605 1,1 %A A188605 _R. H. Hardin_ Apr 05 2011