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

A233605

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

Terms

    a(0) =7610545a(1) =1210323458a(2) =193816724926

External references