Number of (n+2)X(1+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 or 6.
A252322
Number of (n+2)X(1+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 3 or 6.
Terms
- a(0) =12726a(1) =94578a(2) =723110a(3) =5618854a(4) =44203794a(5) =348767254a(6) =2755444362a(7) =21800265534a(8) =172528906186
External references
- oeis: A252322