Number of nX5 zero-sum -1..1 arrays with rows and columns lexicographically nondecreasing.
A202030
Number of nX5 zero-sum -1..1 arrays with rows and columns lexicographically nondecreasing.
Terms
- a(0) =3a(1) =130a(2) =8312a(3) =537572a(4) =29859761a(5) =1387552127a(6) =54711391946
External references
- oeis: A202030