Number of (3+2)X(n+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.
A252885
Number of (3+2)X(n+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) =18931a(1) =175360a(2) =1769486a(3) =18443090a(4) =194162037a(5) =2048947027a(6) =21664764833a(7) =229288736507
External references
- oeis: A252885