Number of (n+2)X(2+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
A251847
Number of (n+2)X(2+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
Terms
- a(0) =4953a(1) =17795a(2) =138538a(3) =1186375a(4) =10462787a(5) =93874605a(6) =837084535a(7) =7462197028a(8) =66624605777a(9) =594601119393
External references
- oeis: A251847