Number of sets of nonempty words with a total of n letters over denary alphabet such that within each word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.
A340417
Number of sets of nonempty words with a total of n letters over denary alphabet such that within each word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =60a(5) =326a(6) =2065a(7) =14508a(8) =116845a(9) =1039459a(10) =10339365a(11) =72459687a(12) =581246095a(13) =4483235005a(14) =36697945720a(15) =298344453071
External references
- oeis: A340417