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Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column
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%I #3 Dec 02 2014 19:16:09

%S 218854,2696488,30592799,261990105,2095872247,13874159417,87400242458,

%T 484930994600,2598001207593,12731552201785,60866054904554,

%U 272632467747110

%N Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column

%C Column 6 of A251481

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 02 2014