G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = cyclic group of order 2 generated by (1,2)(3,4)(5,6)(7,8).
A036725
G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = cyclic group of order 2 generated by (1,2)(3,4)(5,6)(7,8).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =32a(4) =268a(5) =2574a(6) =26004a(7) =274752a(8) =2990412a(9) =33321801a(10) =378155340a(11) =4355839608a(12) =50792907100a(13) =598432565856
External references
- oeis: A036725