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A058495
Total number of multiple edges in all essentially parallel series-parallel networks with n unlabeled edges, multiple edges allowed.
2
0, 1, 2, 5, 15, 47, 149, 489
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
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
Table of n, a(n) for n=0..7.
Index entries for sequences mentioned in Moon (1987)
FORMULA
Reference gives g.f.
CROSSREFS
Cf. A058488, A058494.
Sequence in context: A148362 A143094 A308274 * A287275 A151280 A149914
Adjacent sequences: A058492 A058493 A058494 * A058496 A058497 A058498
KEYWORD
nonn,nice,more
AUTHOR
N. J. A. Sloane, Dec 20 2000
STATUS
approved

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Last modified November 14 21:33 EST 2024. Contains 377732 sequences.
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