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A251877 Number of (n+2)X(n+2) 0..4 arrays with every 3X3 subblock row and column sum prime and every diagonal and antidiagonal sum nonprime 0

%I

%S 5495,16857,94046,1036785,17612152,615536028,27379339268,

%T 1766107726171,234631571183388,36199087873602624,9632688371523308181

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

%C Diagonal of A251885

%e Some solutions for n=3

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 10 2014

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Last modified April 18 22:45 EDT 2021. Contains 343098 sequences. (Running on oeis4.)