159245domain: NAppears in sequencesNumber of pairs of endofunctions f, g on [n] satisfying g^5(f(i)) = f(i) for all i in [n].at n=5A245982Number of pairs of endofunctions f, g on [n] satisfying g^n(f(i)) = f(i) for all i in [n].at n=5A245988One third the number of solid partitions of n with 6 parts.at n=31A389773