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A058495 Total number of multiple edges in all essentially parallel series-parallel networks with n unlabeled edges, multiple edges allowed. 0

%I

%S 0,1,2,5,15,47,149,489

%N Total number of multiple edges in all essentially parallel series-parallel networks with n unlabeled edges, multiple edges allowed.

%D J. W. Moon, Some enumerative results on series-parallel networks, Annals Discrete Math., 33 (1987), 199-226 (the sequence M_p(n)*p_pi).

%H <a href="/index/Mo#Moon87">Index entries for sequences mentioned in Moon (1987)</a>

%F Reference gives g.f.

%K nonn,easy,nice,more

%O 0,3

%A _N. J. A. Sloane_, Dec 20 2000

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Last modified November 12 09:25 EST 2019. Contains 329054 sequences. (Running on oeis4.)