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A258907 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically 1

%I #4 Jun 14 2015 16:24:24

%S 222400,2769733,38603552,575237942,7595409032,100897843080,

%T 1346660412346,17454653713101,223846686963782,2858012169444371,

%U 36159776071554608,454113088232552260,5676914901521924668,70633319216173436747

%N Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally and vertically

%C Column 5 of A258910

%H R. H. Hardin, <a href="/A258907/b258907.txt">Table of n, a(n) for n = 1..78</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A258910

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 14 2015

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Last modified April 19 11:14 EDT 2024. Contains 371791 sequences. (Running on oeis4.)