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

A294008

Number of multisets of exactly six nonempty words with a total of n letters over n-ary alphabet 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) =2a(2) =7a(3) =22a(4) =73a(5) =240a(6) =818a(7) =2816a(8) =9967a(9) =36080a(10) =133875a(11) =509676a(12) =1990984a(13) =7990628a(14) =32936173a(15) =139548808a(16) =607402437a(17) =2716780286a(18) =12476624346a(19) =58818236078a(20) =284350933608

External references