Number of (n+2)X(1+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3.
A251638
Number of (n+2)X(1+2) 0..2 arrays with some row, column, diagonal or antidiagonal in every 3X3 subblock summing to 3.
Terms
- a(0) =17511a(1) =429399a(2) =10560127a(3) =259228149a(4) =6364650023a(5) =156279294337
External references
- oeis: A251638