Number of nX6 binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.
A266426
Number of nX6 binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.
Terms
- a(0) =7a(1) =63a(2) =574a(3) =5365a(4) =49894a(5) =448649a(6) =3825307a(7) =30555624a(8) =227542455a(9) =1579153474a(10) =10236107278a(11) =62184207773a(12) =355425984636
External references
- oeis: A266426