Number of multisets of nonempty words with a total of n letters over quaternary alphabet such that all letters occur at least once in the multiset.
A320214
Number of multisets of nonempty words with a total of n letters over quaternary alphabet such that all letters occur at least once in the multiset.
Terms
- a(0) =73a(1) =1028a(2) =9182a(3) =66584a(4) =428653a(5) =2557972a(6) =14496714a(7) =79179724a(8) =420817947a(9) =2190356332a(10) =11216217292a(11) =56689332604a(12) =283477764373
External references
- oeis: A320214