Number of nX6 0..2 arrays with rows and columns in nondecreasing order.
A184134
Number of nX6 0..2 arrays with rows and columns in nondecreasing order.
Terms
- a(0) =28a(1) =2359a(2) =414848a(3) =86649029a(4) =16226388113
External references
- oeis: A184134