Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 3 4 6 or 7.
A252127
Number of (n+2)X(5+2) 0..3 arrays with every 3X3 subblock row and column sum not equal to 0 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum equal to 0 3 4 6 or 7.
Terms
- a(0) =4671a(1) =34891a(2) =263585a(3) =566817a(4) =4795018a(5) =40402457a(6) =82061030a(7) =744011930a(8) =6560422082a(9) =12886451653a(10) =121140212742
External references
- oeis: A252127