Number of nX3 0..7 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..7 introduced in row major order.
A209522
Number of nX3 0..7 arrays with every 2X2 subblock containing exactly one value repeat, and new values 0..7 introduced in row major order.
Terms
- a(0) =5a(1) =57a(2) =2027a(3) =107693a(4) =7700397a(5) =687132348a(6) =71519658191
External references
- oeis: A209522