Number of (n+2) X (1+2) 0..2 arrays with nondecreasing maximum of every three consecutive values in every row and column.
A250455
Number of (n+2) X (1+2) 0..2 arrays with nondecreasing maximum of every three consecutive values in every row and column.
Terms
- a(0) =19683a(1) =373248a(2) =6859000a(3) =120553784a(4) =1990865512a(5) =32248529487a(6) =512192024001
External references
- oeis: A250455