Number of pairs of endofunctions f, g on [n] satisfying f(g^7(i)) = f(i) for all i in [n].

A245916

Number of pairs of endofunctions f, g on [n] satisfying f(g^7(i)) = f(i) for all i in [n].

Terms

    a(0) =1a(1) =1a(2) =10a(3) =159a(4) =3496a(5) =98345a(6) =3373056a(7) =729481375a(8) =187564765312

External references