Number of multisets of nonempty words with a total of n letters over denary alphabet containing the tenth letter such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.
A293805
Number of multisets of nonempty words with a total of n letters over denary alphabet containing the tenth letter such that within each prefix of a word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.
Terms
- a(0) =1a(1) =11a(2) =122a(3) =1003a(4) =8072a(5) =58393a(6) =415813a(7) =2822727a(8) =18990467a(9) =124845136a(10) =817467196a(11) =5294723066a(12) =34272624834a(13) =220905232624
External references
- oeis: A293805