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

A251845

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

Terms

    a(0) =974a(1) =981a(2) =981a(3) =641a(4) =508a(5) =641a(6) =872a(7) =828a(8) =828a(9) =872a(10) =1443a(11) =1229a(12) =1803a(13) =1229a(14) =1443a(15) =1951a(16) =2672a(17) =2890a(18) =2890a(19) =2672a(20) =1951a(21) =2784a(22) =5438a(23) =8582a(24) =5860a(25) =8582a(26) =5438a(27) =2784a(28) =4949a(29) =9647

External references