Number of nX5 binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.
A267242
Number of nX5 binary arrays with row sums nondecreasing and columns lexicographically nondecreasing.
Terms
- a(0) =6a(1) =34a(2) =232a(3) =1986a(4) =20040a(5) =220235a(6) =2499080a(7) =28501471a(8) =323067002a(9) =3626695952a(10) =40306404192a(11) =443852375808
External references
- oeis: A267242