Number of sets of nonempty words with a total of n letters over 6-ary alphabet.

A292840

Number of sets of nonempty words with a total of n letters over 6-ary alphabet.

Terms

    a(0) =1a(1) =6a(2) =51a(3) =452a(4) =3777a(5) =31074a(6) =250735a(7) =1993176a(8) =15640983a(9) =121378650a(10) =932738805a(11) =7105552308a(12) =53709133137a(13) =403124780178

External references