"Email this user" was broken Aug 14 to 9am Aug 16. If you sent someone a message in this period, please send it again.
J. B. Hendrickson and C. A. Parks, "Generation and Enumeration of Carbon skeletons", J. Chem. Inf. Comput. Sci, vol. 31 (1991) pp. 101-107. See Table 2, column 4 on page 103.
Table of n, a(n) for n=0..19.
Michael A. Kappler, GENSMI: Exhaustive Enumeration of Simple Graphs.
A036671 is the equivalent with one cycle.
Sequence in context: A081495 A191645 A146240 * A146271 A145371 A112044
Adjacent sequences: A112407 A112408 A112409 * A112411 A112412 A112413
Jonathan Vos Post, Dec 08 2005