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
- oeis: A234382