Number of nX5 0..2 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..2 introduced in row major order.
A206647
Number of nX5 0..2 arrays with no occurrence of three equal elements in a row horizontally or vertically, and new values 0..2 introduced in row major order.
Terms
- a(0) =30a(1) =5400a(2) =545520a(3) =64166392a(4) =7241587334a(5) =826407481102
External references
- oeis: A206647