Number of pairs of endofunctions f, g on [n] satisfying g^6(f(i)) = f(i) for all i in [n].

A245983

Number of pairs of endofunctions f, g on [n] satisfying g^6(f(i)) = f(i) for all i in [n].

Terms

    a(0) =1a(1) =1a(2) =10a(3) =267a(4) =12040a(5) =826245a(6) =86252976a(7) =12661148311

External references