A323919 Hexagon-rooted catafusenes (see Cyvin et al. for precise definition).

0, 0, 0, 1, 3, 19, 107, 543, 2709, 13246, 63918, 306345, 1461957, 6959700, 33092280

Offset

1,5

Links

Table of n, a(n) for n=1..15.

S. J. Cyvin, J. Brunvoll, and B. N. Cyvin, Harary-Read numbers for catafusenes: Complete classification according to symmetry, Journal of Mathematical Chemistry 9.1 (1992): 19-31 and 33-38. See Table 1.

Crossrefs

Sequence in context: A304625 A151539 A305555 * A089164 A323290 A072950

Adjacent sequences: A323916 A323917 A323918 * A323920 A323921 A323922

Keyword

nonn,more

Author

N. J. A. Sloane, Feb 09 2019

Status

approved