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A252037 Number of (n+2)X(5+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime 1

%I #4 Dec 12 2014 21:27:37

%S 327823,710758,309509,958171,5198219,30060975,97038957,598042259,

%T 3791553994,11804694219,79380555505,528988352147,1605941877409,

%U 11415142915708,78341174275810,234208697412597,1725512151786014

%N Number of (n+2)X(5+2) 0..4 arrays with every 3X3 subblock row and column sum nonprime and every diagonal and antidiagonal sum prime

%C Column 5 of A252039

%H R. H. Hardin, <a href="/A252037/b252037.txt">Table of n, a(n) for n = 1..157</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 12 2014

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Last modified February 21 15:59 EST 2024. Contains 370237 sequences. (Running on oeis4.)