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

A233597

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

Terms

    a(0) =7655432a(1) =1228836823a(2) =193816724926

External references