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A036719 G.f. satisfies A(x) = 1 + x*cycle_index(Cyclic(4), A(x)). 5

%I #3 Mar 30 2012 16:47:42

%S 1,1,1,3,7,22,65,212,697,2372,8179,28703,101851,365393,1322034,

%T 4820378,17691018,65306700,242317423,903242615,3380707920,12700575742,

%U 47874113728,181013422393,686341240781,2609093456212,9941953711409

%N G.f. satisfies A(x) = 1 + x*cycle_index(Cyclic(4), A(x)).

%Y Cf. A036717, A036718.

%K nonn

%O 0,4

%A _N. J. A. Sloane_.

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Last modified March 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)