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A232419 Number of (5+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor 1

%I #4 Nov 23 2013 13:43:14

%S 21717,16262989,5322933313,2346397695011,1137726954093673,

%T 536668354513420383,251027958588670245973,117684496557578327516985,

%U 55222195377787585390591485,25906752805888004672020565183

%N Number of (5+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor

%C Row 5 of A232414

%H R. H. Hardin, <a href="/A232419/b232419.txt">Table of n, a(n) for n = 1..81</a>

%e Some solutions for n=1

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 23 2013

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)