id:A058476 - OEIS Search Results

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

+0
2

0, 0, 1, 2, 21, 224, 3075, 50364, 958881, 20786744, 505233987, 13603353928, 401819713273, 12917450788956, 448922610588491, 16770152528046332, 670096317408222529, 28517474585339343408, 1287722135213121579203 (list; graph; listen)

	OFFSET	`0,4`
	REFERENCES	`J. W. Moon, Some enumerative results on series-parallel networks, Annals Discrete Math., 33 (1987), 199-226 (the sequence M_P(n)*P_pi).`
	LINKS	`Index entries for sequences mentioned in Moon (1987)`
	FORMULA	`E.g.f. = (exp(-x)-1+x)*P'(x), where P(x) = e.g.f. for A000311.`
	CROSSREFS	`Adjacent sequences: A058473 A058474 A058475 this_sequence A058477 A058478 A058479` `Sequence in context: A137287 A155872 A106412 this_sequence A099748 A023812 A062813`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 20 2000`

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.

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