A259353 Number of generalized fusenes with n octagons.

1, 1, 4, 14, 85, 598, 4837, 41570, 372830, 3436289, 32373742, 310407548, 3020894755, 29776585115, 296777846799, 2986882651510, 30321553394791

Offset

1,3

Links

Table of n, a(n) for n=1..17.

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, A259354, A259355.

Sequence in context: A327355 A356508 A024421 * A339193 A352289 A330465

Adjacent sequences: A259350 A259351 A259352 * A259354 A259355 A259356

Keyword

nonn,more

Author

Pieter Goetschalckx, Jun 24 2015

Status

approved