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A232410 Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor. 1

%I #6 Nov 22 2023 22:44:35

%S 6477,876881,119994763,16776955943,2346397695011,327861770666547,

%T 45820119635323263,6403678421524514213,894951584632738995695,

%U 125074709612024958761381,17479928446880906582083661

%N Number of (n+1) X (4+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.

%C Column 4 of A232414.

%H R. H. Hardin, <a href="/A232410/b232410.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..0..0..0..2..1....1..2..1..1..2....1..1..2..2..0....2..2..2..2..2

%e ..0..1..1..1..2....0..0..2..2..2....1..1..1..0..0....0..0..1..1..2

%Y Cf. A232414.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2013

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)