A251957 - OEIS

%I #4 Dec 11 2014 13:06:23

%S 11375,26027,149744,1201953,10509427,94160979,839633727,7484563854,

%T 66822646537,596375268131,5321735447611,47494519566436,

%U 423865088324728,3782714225010232,33758534281457438,301275530820426894

%N Number of (n+2)X(2+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime

%C Column 2 of A251962

%H R. H. Hardin, <a href="/A251957/b251957.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

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

%e ..3..1..1..3....3..1..1..3....3..3..1..1....1..3..1..1....3..1..1..1

%e ..3..1..1..1....1..1..3..1....1..1..1..1....3..3..1..3....1..1..3..1

%e ..1..1..3..3....3..1..1..1....3..3..1..1....1..1..1..1....1..1..3..1

%e ..3..1..1..1....3..1..1..1....3..3..1..1....1..1..1..3....1..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 11 2014