Number of 6Xn binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.

A267249

Number of 6Xn binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.

Terms

    a(0) =7a(1) =127a(2) =1685a(3) =20676a(4) =220235a(5) =2093467a(6) =17892539a(7) =139164323a(8) =993947185a(9) =6572368601a(10) =40512935649a(11) =234192144667

External references