Number of 6Xn binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.
A266432
Number of 6Xn binary arrays with rows and columns lexicographically nondecreasing and column sums nondecreasing.
Terms
- a(0) =7a(1) =50a(2) =433a(3) =4383a(4) =45907a(5) =448649a(6) =3889553a(7) =29520031a(8) =197001842a(9) =1168481498a(10) =6234449897a(11) =30265682491a(12) =135048855227a(13) =558800630541
External references
- oeis: A266432