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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.

A220385 Majority value maps: number of nX7 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 nX7 array.

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%I A220385 #6 Jul 23 2025 01:06:46
%S A220385 37,3362,211944,14300020,953142266,63512364783,4230913273170,
%T A220385 281832304026762,18773103173607539,1250484272007085681,
%U A220385 83294998840686500460,5548289757274042292269,369572057472278683296258
%N A220385 Majority value maps: number of nX7 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 nX7 array.
%C A220385 Column 7 of A220386
%H A220385 R. H. Hardin, <a href="/A220385/b220385.txt">Table of n, a(n) for n = 1..18</a>
%e A220385 Some solutions for n=3
%e A220385 ..0..0..1..1..1..0..1....0..1..1..1..0..1..1....0..0..0..0..1..1..1
%e A220385 ..1..0..1..1..1..1..0....1..1..1..1..1..0..1....1..1..0..1..1..0..1
%e A220385 ..1..1..0..1..1..1..1....0..0..0..1..1..1..1....1..1..1..0..1..1..1
%K A220385 nonn
%O A220385 1,1
%A A220385 _R. H. Hardin_ Dec 13 2012

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