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A251882 Number of (n+2)X(5+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime 1

%I #4 Dec 10 2014 10:03:25

%S 117744,242531,848547,4243461,17612152,96631623,513228578,2133116461,

%T 12086844180,67036259385,280092161055,1622827533151,9356871157757,

%U 39244047371596,231721741001208,1380662151150154,5809743569241608

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

%C Column 5 of A251885

%H R. H. Hardin, <a href="/A251882/b251882.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 10 2014

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Last modified March 29 10:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)