329890domain: NAppears in sequencesNumber of orbits in A002619 consisting of n permutations.at n=10A064852a(n) = ((p-1)!/p) - ((p-1)*(p-1)!/p!), where p is the n-th prime.at n=4A091330a(n) = floor((n-1)!/n).at n=10A226198