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A036723 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). 1

%I

%S 1,1,2,8,30,135,622,3032,15134,77506,403780,2135588,11430910,61815916,

%T 337193808,1853183376,10251612034,57037706410,318965425380,

%U 1791842232154,10107161112356,57221612791015,325045726349906,1852055247196164

%N 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).

%Y Cf. A036717-A036722.

%K nonn

%O 0,3

%A _N. J. A. Sloane_.

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Last modified September 23 02:41 EDT 2021. Contains 347609 sequences. (Running on oeis4.)