cp's OEIS Frontend

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.

A220391 Majority value maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 6Xn array.

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%I A220391 #5 Jul 23 2025 01:07:59
%S A220391 1,616,22989,715412,34521416,1509240923,63512364783,2724587924707,
%T A220391 116840672185170
%N A220391 Majority value maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 6Xn array.
%C A220391 Row 6 of A220386
%e A220391 Some solutions for n=3
%e A220391 ..1..1..0....1..0..0....0..1..1....0..0..1....1..1..1....1..0..0....0..0..0
%e A220391 ..1..1..0....0..0..1....1..0..1....1..1..0....0..0..1....0..0..0....0..0..1
%e A220391 ..1..1..1....0..1..1....0..1..1....1..1..1....1..1..0....1..1..1....1..1..0
%e A220391 ..1..0..1....1..1..1....1..1..0....0..0..0....1..1..0....1..1..1....0..0..1
%e A220391 ..0..1..1....1..1..1....0..1..1....0..0..1....1..0..1....1..1..0....1..1..0
%e A220391 ..1..0..1....0..0..0....1..1..1....1..1..0....1..1..1....0..0..1....0..0..1
%K A220391 nonn
%O A220391 1,2
%A A220391 _R. H. Hardin_ Dec 13 2012