A058480 Total number of interior nodes in all series-parallel networks with n labeled edges, multiple edges allowed.

0, 0, 1, 8, 78, 944, 13760, 235248, 4620224, 102551296, 2539240416, 69398978560, 2075328010624, 67408188246528, 2363279141726464, 88952164594807808, 3577709564478865920, 153136329382704201728, 6950244396227548178432

Offset

0,4

References

J. W. Moon, Some enumerative results on series-parallel networks, Annals Discrete Math., 33 (1987), 199-226.

Links

Table of n, a(n) for n=0..18.

Index entries for sequences mentioned in Moon (1987)

Crossrefs

A058480 = A058478 + A058479.

Sequence in context: A111533 A218499 A132164 * A000435 A052698 A052603

Adjacent sequences: A058477 A058478 A058479 * A058481 A058482 A058483

Keyword

nonn

Author

N. J. A. Sloane, Dec 20 2000

Status

approved