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Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a prime
1

%I #4 Dec 02 2014 18:34:33

%S 358070,43856564,5162094982,614533146306,72875563626720,

%T 8664203110893480,1028696788230851944,122274768475876835124,

%U 14523476504030460381288,1726135250656130987616394,205063607649945429420502946

%N Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to a prime

%C Column 5 of A251459

%H R. H. Hardin, <a href="/A251456/b251456.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

%e ..2..2..0..1..1..2....0..0..0..2..1..1....0..2..0..0..1..2....2..0..2..0..3..0

%e ..0..1..0..1..2..0....2..3..0..1..1..2....0..3..2..3..1..3....0..3..2..3..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2014