454190410752domain: NAppears in sequencesNumber of pairs of endofunctions f, g on [n] satisfying f(g^n(i)) = f(i) for all i in [n].at n=8A245911Number of pairs of endofunctions f, g on [n] satisfying f(g^8(i)) = f(i) for all i in [n].at n=8A245917