24485940

Appears in sequences

• Number of (n+2) X (2+2) 0..2 arrays with no increasing sequence of length 3 vertically, diagonally downwards or antidiagonally downwards.at n=1A234375
• T(n,k) = number of (n+2) X (k+2) 0..2 arrays with no increasing sequence of length 3 vertically, diagonally downwards or antidiagonally downwards.at n=4A234380
• Number of (2+2) X (n+2) 0..2 arrays with no increasing sequence of length 3 vertically, diagonally downwards or antidiagonally downwards.at n=1A234382