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A251953 Number of (n+2)X(3+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 1

%I #4 Dec 11 2014 12:58:18

%S 117100,2723490,78070792,2371536636,74995353698,2414437707602,

%T 78329223513048,2550593612042104,83197833786960908,

%U 2716016764639352132,88698915743761645512,2897225569880888350100,94641841235888614770348

%N Number of (n+2)X(3+2) 0..2 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3

%C Column 3 of A251955

%H R. H. Hardin, <a href="/A251953/b251953.txt">Table of n, a(n) for n = 1..208</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2014

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Last modified May 11 22:00 EDT 2024. Contains 372431 sequences. (Running on oeis4.)