Number of pairs of endofunctions f, g on [n] satisfying g^7(f(i)) = f(i) for all i in [n].
A245984
Number of pairs of endofunctions f, g on [n] satisfying g^7(f(i)) = f(i) for all i in [n].
Terms
- a(0) =1a(1) =1a(2) =6a(3) =87a(4) =2200a(5) =84245a(6) =4492656a(7) =908888155a(8) =357260391552
External references
- oeis: A245984