Number of (3+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards.
A233804
Number of (3+2)X(n+2) 0..3 arrays with no increasing sequence of length 3 horizontally, vertically or antidiagonally downwards.
Terms
- a(0) =365649436a(1) =184701585960
External references
- oeis: A233804