Number of n X 6 binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.
A267243
Number of n X 6 binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.
Terms
- a(0) =7a(1) =50a(2) =475a(3) =6292a(4) =107015a(5) =2093467a(6) =43555569a(7) =924051709a(8) =19614050515a(9) =413556580944
External references
- oeis: A267243