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A251565 Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock summing to a prime 1

%I #4 Dec 04 2014 17:09:14

%S 13645310,5871247808,2532196250950,1093964209592036,

%T 472585276023176018,204207519091414400944,88233636477075790007750,

%U 38127278604234717619438384,16474873109421531835081077784

%N Number of (n+1)X(4+1) 0..7 arrays with every 2X2 subblock summing to a prime

%C Column 4 of A251567

%H R. H. Hardin, <a href="/A251565/b251565.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..4..0..0..2..5....2..0..1..5..4....2..0..7..4..6....2..0..4..4..3

%e ..1..2..0..3..7....0..0..1..0..4....0..0..0..2..7....0..0..7..4..0

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 04 2014

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Last modified April 23 11:04 EDT 2024. Contains 371905 sequences. (Running on oeis4.)