Number of 7Xn binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.

A267250

Number of 7Xn binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.

Terms

    a(0) =8a(1) =255a(2) =5804a(3) =129129a(4) =2499080a(5) =43555569a(6) =683027146a(7) =9748574556a(8) =127531124302

External references