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

A234382

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

Terms

    a(0) =372690a(1) =24485940a(2) =1622352843a(3) =107611542837

External references