Number of (n+2)X(6+2) 0..2 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
A251817
Number of (n+2)X(6+2) 0..2 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
Terms
- a(0) =3349a(1) =9040a(2) =62457a(3) =409196a(4) =2670355a(5) =17562309a(6) =115183429a(7) =755607816a(8) =4967204967a(9) =32613907072a(10) =214022771740
External references
- oeis: A251817