login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A121099
Isomers of polyenes attached to benzene (see Cyvin et al. for precise definition).
0
3, 31, 205, 1155, 5867
OFFSET
5,1
LINKS
B. N. Cyvin, E. Brendsdal, J. Brunvoll and S. J. Cyvin, Isomers of polyenes attached to benzene, Croatica Chemica Acta, 68 (1995), 63-73.
FORMULA
a(n) = A121092(n) - A121096(n). - R. J. Mathar, Jul 26 2019
CROSSREFS
Sequence in context: A060425 A376950 A203242 * A197746 A342260 A121147
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 11 2006
STATUS
approved