Number of pairs of endofunctions f, g on [n] satisfying g^n(f(i)) = f(i) for all i in [n].

A245988

Number of pairs of endofunctions f, g on [n] satisfying g^n(f(i)) = f(i) for all i in [n].

Terms

    a(0) =1a(1) =1a(2) =10a(3) =141a(4) =9592a(5) =159245a(6) =86252976a(7) =908888155

External references