117936000domain: NAppears in sequencesNumber of entries in the second cycles of all permutations of {1,2,...,n}; each cycle is written with the smallest element first and cycles are arranged in increasing order of their first elements.at n=10A138772Expansion of e.g.f. exp(2*x^3) / (1 - x * exp(x^3)).at n=10A375628