Number of nX7 binary arrays whose sum with another nX7 binary array containing no more than two 1s has rows and columns in lexicographically nondecreasing order.

A225981

Number of nX7 binary arrays whose sum with another nX7 binary array containing no more than two 1s has rows and columns in lexicographically nondecreasing order.

Terms

    a(0) =64a(1) =1616a(2) =49811a(3) =1825607a(4) =69784592a(5) =2513743785a(6) =80901937149

External references