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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.

A221029 Majority value maps: number of n X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..2 n X n array.

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%I A221029 #7 Jul 23 2025 01:38:17
%S A221029 1,7,228,24485,12239631,23287585899,183738465400508
%N A221029 Majority value maps: number of n X n binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..2 n X n array.
%C A221029 Diagonal of A221035
%e A221029 Some solutions for n=3
%e A221029 ..0..0..0....1..1..1....1..0..1....0..0..1....0..0..1....0..0..0....1..1..1
%e A221029 ..1..1..1....1..0..0....0..1..1....0..0..0....1..1..0....1..0..0....1..0..1
%e A221029 ..1..0..1....1..1..1....1..1..0....1..0..1....1..1..1....0..0..0....0..0..0
%K A221029 nonn
%O A221029 1,2
%A A221029 _R. H. Hardin_ Dec 29 2012

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