Number of nX7 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.
A206649
Number of nX7 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) =224a(1) =301056a(2) =180716227a(3) =134185561617
External references
- oeis: A206649