Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order.
A252881
Number of (n+2)X(5+2) 0..2 arrays with every consecutive three elements in every row having 2 or 3 distinct values, in every column 1 or 2 distinct values, in every diagonal 2 distinct values, and in every antidiagonal 2 distinct values, and new values 0 upwards introduced in row major order.
Terms
- a(0) =1575377a(1) =14424475a(2) =194162037a(3) =3149891207a(4) =55869292808
External references
- oeis: A252881