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A251510 Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock summing to a prime 1

%I #4 Dec 03 2014 17:01:07

%S 21862,915152,38529532,1644478410,70039777210,2992599553368,

%T 127661562848818,5455482816120872,232856968944155508,

%U 9951056422531997062,424870354968584150494,18156059091678209322130,775334287647920923221990

%N Number of (n+1)X(3+1) 0..4 arrays with every 2X2 subblock summing to a prime

%C Column 3 of A251515

%H R. H. Hardin, <a href="/A251510/b251510.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 03 2014

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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)