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

A233595

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

Terms

    a(0) =15272a(1) =342185a(2) =7610545a(3) =169129037a(4) =3756984641a(5) =83451469774

External references