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

A251819

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

Terms

    a(0) =345a(1) =500a(2) =500a(3) =738a(4) =538a(5) =738a(6) =1215a(7) =771a(8) =771a(9) =1215a(10) =1973a(11) =1511a(12) =1754a(13) =1511a(14) =1973a(15) =3349a(16) =3501a(17) =5401a(18) =5401a(19) =3501a(20) =3349a(21) =6066a(22) =9040a(23) =18227a(24) =22922a(25) =18227a(26) =9040a(27) =6066a(28) =11665a(29) =24411

External references