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A000936 Number of free planar polyenoids with n nodes and symmetry point group C_{2v}. 2
0, 0, 1, 1, 2, 4, 4, 12, 10, 29, 27, 88, 76, 247, 217, 722, 638, 2134, 1901, 6413 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
REFERENCES
S. J. Cyvin, J. Brunvoll, E. Brendsdal, B. N. Cyvin and E. K. Lloyd, Enumeration of polyene hydrocarbons: a complete mathematical solution, J. Chem. Inf. Comput. Sci., 35 (1995) 743-751.
LINKS
S. J. Cyvin, J. Brunvoll, E. Brendsdal, B. N. Cyvin and E. K. Lloyd, Enumeration of polyene hydrocarbons: a complete mathematical solution, J. Chem. Inf. Comput. Sci., 35 (1995) 743-751. [Annotated scanned copy]
CROSSREFS
Sequence in context: A326824 A319210 A292303 * A319594 A065449 A130618
KEYWORD
nonn,more
AUTHOR
E. K. Lloyd (E.K.Lloyd(AT)soton.ac.uk)
EXTENSIONS
a(16)-a(20) and title improved by Sean A. Irvine, Oct 14 2015
STATUS
approved

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)