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 A218764 #5 Jul 23 2025 00:03:52 %S A218764 37,1035,40383,1291662,43403573,1444700004,48186998294,1606766223984, %T A218764 53537060426191,1783895392003265,59439520136317957 %N A218764 Unmatched value maps: number of nX7 binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 nX7 array. %C A218764 Column 7 of A218765 %e A218764 Some solutions for n=3 %e A218764 ..1..0..0..0..1..1..1....0..0..1..0..1..0..0....1..1..1..1..0..0..0 %e A218764 ..1..0..0..0..1..0..1....0..1..0..0..0..0..0....1..0..1..1..0..0..0 %e A218764 ..0..0..0..1..0..0..0....0..0..0..0..1..0..0....0..0..0..0..0..0..1 %K A218764 nonn %O A218764 1,1 %A A218764 _R. H. Hardin_ Nov 05 2012