Number of n-ary words beginning with the first character of the alphabet, that can be built by inserting ten doublets into the initially empty word.

A194722

Number of n-ary words beginning with the first character of the alphabet, that can be built by inserting ten doublets into the initially empty word.

Terms

    a(0) =0a(1) =1a(2) =92378a(3) =19319845a(4) =560198962a(5) =6507351113a(6) =44731364266a(7) =218878998733a(8) =844131474530

External references