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

A292805

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

Terms

    a(0) =1a(1) =1a(2) =5a(3) =55a(4) =729a(5) =12376a(6) =250735a(7) =5904746a(8) =158210353a(9) =4747112731a(10) =157545928646

External references