Number of (4+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards.

A233622

Number of (4+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards.

Terms

    a(0) =274119232a(1) =137370562281

External references