Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically.
A233485
Number of (n+2)X(3+2) 0..3 arrays with no increasing sequence of length 3 horizontally, diagonally downwards or vertically.
Terms
- a(0) =386906152a(1) =208066125583
External references
- oeis: A233485