Number of n X 3 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.
A223057
Number of n X 3 0..3 arrays with all horizontally or vertically connected equal values in a straight line, and new values 0..3 introduced in row major order.
Terms
- a(0) =5a(1) =114a(2) =4865a(3) =213469a(4) =9383963a(5) =412602889a(6) =18142309235a(7) =797728639489
External references
- oeis: A223057