Number of (n+2)X(7+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.
A252031
Number of (n+2)X(7+2) 0..2 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 0 2 or 4.
Terms
- a(0) =10251a(1) =41745a(2) =295050a(3) =2306234a(4) =18791972a(5) =153768348a(6) =1251157837a(7) =10174456397a(8) =82884616652a(9) =675475186716
External references
- oeis: A252031