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A058479 Total number of interior nodes in all essentially parallel series-parallel networks with n labeled edges, multiple edges allowed. +0
3
0, 0, 0, 3, 32, 410, 6164, 107492, 2140368, 47990784, 1197523456, 32930028736, 989647215424, 32276598717376, 1135501305508608, 42865272243657216, 1728443263014370304, 74145986811618564608, 3371731055491925101568 (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. I_P(x)).

LINKS

Index entries for sequences mentioned in Moon (1987)

FORMULA

E.g.f. = product of e.g.f.'s for A006351 and A058478.

CROSSREFS

A058480 = A058478 + A058479.

Adjacent sequences: A058476 A058477 A058478 this_sequence A058480 A058481 A058482

Sequence in context: A091705 A137215 A123336 this_sequence A129431 A054780 A134474

KEYWORD

nonn

AUTHOR

njas, Dec 20 2000

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.


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