1820715

Appears in sequences

• Number of n X n binary arrays with rows, considered as binary numbers, in strictly increasing order, and columns, considered as binary numbers, in nondecreasing order.at n=5A151801
• Number of n X n binary arrays with rows, considered as binary numbers, in strictly increasing order, and columns, considered as binary numbers, in nondecreasing order, and no more than 6 ones in any row or column.at n=5A151806
• Number of n X n binary arrays with rows, considered as binary numbers, in strictly increasing order, and columns, considered as binary numbers, in nondecreasing order, and no more than 7 ones in any row or column.at n=5A151807
• Number of n X n binary arrays with rows, considered as binary numbers, in strictly increasing order, and columns, considered as binary numbers, in nondecreasing order, and no more than 8 ones in any row or column.at n=5A151808
• Number of n X n binary arrays with rows, considered as binary numbers, in strictly increasing order, and columns, considered as binary numbers, in nondecreasing order, and no more than 9 ones in any row or column.at n=5A151809
• T(n,k)=number of nXk binary matrices with rows in lexicographically nondecreasing order and columns in strictly increasing order.at n=60A180988