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.

A232323 Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.

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%I A232323 #10 Jul 23 2025 07:18:55
%S A232323 610,60605,6764246,1036869496,158534446141,23818815015639,
%T A232323 3587649343841650,540472751303594139,81418399274442809469,
%U A232323 12264913365847776296865,1847601218114334916009886
%N A232323 Number of (7+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero.
%C A232323 Row 7 of A232316
%H A232323 R. H. Hardin, <a href="/A232323/b232323.txt">Table of n, a(n) for n = 1..210</a>
%e A232323 Some.solutions.for.n=2
%e A232323 ..0..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0....0..0..0
%e A232323 ..1..1..0....0..1..1....1..1..1....1..1..1....0..1..1....0..0..0....1..1..0
%e A232323 ..0..0..0....1..1..1....0..0..0....1..1..1....0..0..0....0..0..0....1..0..0
%e A232323 ..0..1..1....1..1..1....1..1..1....0..0..0....0..0..0....0..1..1....1..1..1
%e A232323 ..1..1..0....0..0..1....0..0..0....0..0..0....1..1..0....1..1..0....1..0..0
%e A232323 ..1..0..0....0..1..1....0..1..0....0..0..0....1..0..1....0..0..0....0..1..1
%e A232323 ..1..1..0....1..0..0....1..0..1....1..1..1....1..1..1....1..1..1....1..1..0
%e A232323 ..1..0..0....0..1..1....0..1..1....1..1..1....1..1..1....1..0..0....1..0..0
%K A232323 nonn
%O A232323 1,1
%A A232323 _R. H. Hardin_, Nov 22 2013