Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 6.
A252118
Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row, column, diagonal and antidiagonal sum less than 6.
Terms
- a(0) =41092a(1) =1091710a(2) =30699048a(3) =845139814a(4) =23117206344a(5) =633958684608
External references
- oeis: A252118