Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7.
A252265
Number of (n+2)X(4+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum not equal to 2 3 4 6 or 7.
Terms
- a(0) =598a(1) =2290a(2) =10302a(3) =44612a(4) =188690a(5) =800946a(6) =3410622a(7) =14539062a(8) =61939050a(9) =263654268a(10) =1122558622a(11) =4780929292a(12) =20360099218a(13) =86698049792a(14) =369189620402
External references
- oeis: A252265