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A251514 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock summing to a prime 1

%I

%S 191708742,154952279458,127661562848818,109013443872596196,

%T 92544866490813863710,79196945004705113081014,

%U 67509268540809608425770788,57790910285824156999141421410,49334433661187311756214945282376

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

%C Column 7 of A251515

%H R. H. Hardin, <a href="/A251514/b251514.txt">Table of n, a(n) for n = 1..22</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 03 2014

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Last modified September 23 11:53 EDT 2020. Contains 337310 sequences. (Running on oeis4.)