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A259354 Number of generalized fusenes with n nonagons. 4
1, 1, 4, 19, 136, 1226, 12259, 130435, 1441755, 16390266, 190484723, 2254489731, 27096464528, 329995577356, 4065180800962, 50584233942184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..16.

G. Brinkmann, O. Delgado Friedrichs, S. Lisken, A. Peeters, N. Van Cleemput, CaGe - a Virtual Environment for Studying Some Special Classes of Plane Graphs

G. Brinkmann and P. Goetschalckx, Enumeration of Generalized Fusenes, MATCH: Communications in Mathematical and in Computer Chemistry, 74(3) (2015), 505-520.

Eric Weisstein's World of Mathematics, Fusene

CROSSREFS

Cf. A108070, A259351, A259352, A259353, A259355.

Sequence in context: A220066 A157303 A007788 * A215851 A197920 A208811

Adjacent sequences:  A259351 A259352 A259353 * A259355 A259356 A259357

KEYWORD

nonn,more

AUTHOR

Pieter Goetschalckx, Jun 24 2015

STATUS

approved

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Last modified February 25 06:31 EST 2018. Contains 299643 sequences. (Running on oeis4.)