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

A234048

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

Terms

    a(0) =367857a(1) =23857470a(2) =1539009351a(3) =99212997474

External references