A122740 - OEIS

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A122740

Numbers of perifusenes with one internal vertex (see Cyvin et al. for precise definition).

0

1, 1, 6, 24, 106, 453, 1966, 8395, 35885, 152688, 648632, 2749719

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OFFSET

3,3

LINKS

Table of n, a(n) for n=3..14.

S. J. Cyvin, F. Zhang and J. Brunvoll, Enumeration of perifusenes with one internal vertex..., J. Math. Chem., 11 (1992), 283-292

CROSSREFS

Sequence in context: A165793 A344274 A372225 * A034432 A026962 A026972

Adjacent sequences: A122737 A122738 A122739 * A122741 A122742 A122743

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Sep 24 2006

STATUS

approved