Number of (n+2)X(2+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
A251957
Number of (n+2)X(2+2) 0..4 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
Terms
- a(0) =11375a(1) =26027a(2) =149744a(3) =1201953a(4) =10509427a(5) =94160979a(6) =839633727a(7) =7484563854a(8) =66822646537a(9) =596375268131
External references
- oeis: A251957