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A121185 Alkane systems (see Cyvin reference for precise definition). 0
1, 3, 14, 68, 358, 1846, 9808, 52069, 279559, 1510121, 8223586 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

LINKS

Table of n, a(n) for n=4..14.

S. J. Cyvin, B. N. Cyvin, J. Brunvoll, J. Wang, Enumeration of staggered conformers of alkanes and monocyclic cycloalkanes, J. Molec. Struct., 445 (1998), 127-137.

S. J. Cyvin, Jianji Wang, J. Brunvoll, Shiming Cao, Ying Li, B. N. Cyvin, and Yugang Wang, Staggered conformers of alkanes: complete solution of the enumeration problem, J. Molec. Struct. 413-414 (1997), 227-239.

CROSSREFS

Sequence in context: A241478 A113140 A151324 * A276904 A199314 A190725

Adjacent sequences:  A121182 A121183 A121184 * A121186 A121187 A121188

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 17 2006

STATUS

approved

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Last modified August 6 00:46 EDT 2021. Contains 346493 sequences. (Running on oeis4.)