251381
domain: N
Appears in sequences
- Number of nX7 binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.at n=4A266427
- T(n,k)=Number of nXk binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.at n=59A266428
- Number of 5Xn binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.at n=6A266431