76063domain: NAppears in sequencesG.f.: exp( Sum_{n>=1} C(6n-1,2n-1)*x^n/n ).at n=4A182960Denominator of the mean of all parts of all partitions of n.at n=44A236361Number of nonempty subsets of {1..n} whose product is divisible by their sum.at n=18A326156