50432052
domain: N
Appears in sequences
- Number of n X n zero-sum -2..2 arrays with rows and columns lexicographically nondecreasing.at n=3A201489
- Number of n X 4 zero-sum -2..2 arrays with rows and columns lexicographically nondecreasing.at n=3A201492
- T(n,k)=Number of nXk zero-sum -2..2 arrays with rows and columns lexicographically nondecreasing.at n=24A201496