Number of (n+2)X(1+2) 0..2 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or antidiagonally downwards.

A234047

Number of (n+2)X(1+2) 0..2 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or antidiagonally downwards.

Terms

    a(0) =16488a(1) =402000a(2) =9780884a(3) =237966121a(4) =5789254059a(5) =140841087777

External references