44731364266
domain: N
Appears in sequences
- Expansion of c(5x^2)/(1-x*c(5x^2)), where c(x) is the g.f. of A000108.at n=19A128387
- 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.at n=6A194722
- Number of 6-ary words either empty or beginning with the first character of the alphabet, that can be built by inserting n doublets into the initially empty word.at n=10A194726