Number of collections of nonempty multisets with a total of n objects having color set {1,...,k} for some k<=n.
A255906
Number of collections of nonempty multisets with a total of n objects having color set {1,...,k} for some k<=n.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =16a(4) =76a(5) =400a(6) =2356a(7) =15200a(8) =106644a(9) =806320a(10) =6526580a(11) =56231024a(12) =513207740a(13) =4941362512a(14) =50013751812a(15) =530481210672
External references
- oeis: A255906