Number of (n+2)X(3+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
A251848
Number of (n+2)X(3+2) 0..3 arrays with every row, column, diagonal or antidiagonal in each 3X3 subblock summing to a prime.
Terms
- a(0) =15899a(1) =138538a(2) =2118665a(3) =30754863a(4) =458278940a(5) =6885655911a(6) =102820691005
External references
- oeis: A251848