Number of nX7 0..4 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..4 introduced in row major order.
A209502
Number of nX7 0..4 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..4 introduced in row major order.
Terms
- a(0) =855a(1) =1920126a(2) =5801378991
External references
- oeis: A209502