Number of multisets of nonempty words with a total of n letters over 10-ary alphabet such that within each word every letter of the alphabet is at least as frequent as the subsequent alphabet letter.

A292725

Number of multisets of nonempty words with a total of n letters over 10-ary 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) =4a(3) =14a(4) =67a(5) =343a(6) =2151a(7) =14900a(8) =119259a(9) =1055520a(10) =10465854a(11) =73562956a(12) =592088950a(13) =4560084092a(14) =37322365393a(15) =303133205967

External references