Number of (3+2)X(n+2) 0..3 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.
A252920
Number of (3+2)X(n+2) 0..3 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) =35674a(1) =418853a(2) =5247300a(3) =67554413a(4) =904486202a(5) =12006682353a(6) =160456041308
External references
- oeis: A252920