Number of nX6 zero-sum -2..2 arrays with rows and columns lexicographically nondecreasing.
A201494
Number of nX6 zero-sum -2..2 arrays with rows and columns lexicographically nondecreasing.
Terms
- a(0) =18a(1) =36487a(2) =168357815a(3) =732383803600
External references
- oeis: A201494