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.

A218847 Unmatched value maps: number of 6Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 6Xn array.

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%I A218847 #5 Jul 23 2025 00:07:35
%S A218847 1,616,9573,230726,4507281,91513161,1858438456,37821111242,
%T A218847 770579589471,15693427613278,319526953387664,6505023784413466,
%U A218847 132434218085749212,2696224146302670678
%N A218847 Unmatched value maps: number of 6Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 6Xn array.
%C A218847 Row 6 of A218842
%e A218847 Some solutions for n=3
%e A218847 ..1..0..0....0..0..0....0..0..0....0..0..0....1..0..1....0..0..1....0..0..0
%e A218847 ..1..0..0....0..0..0....0..0..0....0..1..0....0..0..0....1..0..0....1..0..1
%e A218847 ..0..0..0....0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....1..1..0
%e A218847 ..0..0..1....0..1..1....0..0..1....0..0..1....1..0..0....1..0..1....0..0..0
%e A218847 ..1..0..0....1..0..1....1..0..1....0..0..0....0..0..0....1..1..1....0..1..1
%e A218847 ..0..0..1....0..0..0....0..0..1....1..0..0....0..0..0....1..1..1....1..0..0
%K A218847 nonn
%O A218847 1,2
%A A218847 _R. H. Hardin_ Nov 07 2012