id:A058477 - OEIS Search Results

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

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0, 0, 0, 3, 20, 225, 3074, 50365, 958880, 20786745, 505233986, 13603353929, 401819713272, 12917450788957, 448922610588490, 16770152528046333, 670096317408222528, 28517474585339343409, 1287722135213121579202 (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 e.g.f. M_S(x)).`
	LINKS	`Index entries for sequences mentioned in Moon (1987)`
	FORMULA	`E.g.f. = e.g.f. for A058476 - (exp(-x)-1+x).`
	CROSSREFS	`Sequence in context: A006963 A113333 A052851 this_sequence A119758 A108527 A166232` `Adjacent sequences: A058474 A058475 A058476 this_sequence A058478 A058479 A058480`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 20 2000`

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Last modified December 7 23:50 EST 2009. Contains 170430 sequences.

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