Number of nX6 zero-sum -3..3 arrays with rows and columns lexicographically nondecreasing.
A201988
Number of nX6 zero-sum -3..3 arrays with rows and columns lexicographically nondecreasing.
Terms
- a(0) =58a(1) =1177568a(2) =46034224561
External references
- oeis: A201988