A122741 Numbers of perifusenes with one internal vertex (see Cyvin et al. for precise definition).

0, 0, 0, 0, 3, 24, 189, 1252, 7736, 45079, 252804, 1375917

Offset

3,5

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: A110347 A213100 A027324 * A136325 A194888 A103333

Adjacent sequences: A122738 A122739 A122740 * A122742 A122743 A122744

Keyword

nonn

Author

N. J. A. Sloane, Sep 24 2006

Status

approved