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A000947 Number of free nonplanar polyenoids with n nodes. 1
1, 2, 4, 10, 15, 44, 56, 177, 212 (list; graph; refs; listen; history; internal format)
OFFSET

7,2

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.

CROSSREFS

Sequence in context: A048200 A064513 A058201 * A125245 A096689 A039682

Adjacent sequences:  A000944 A000945 A000946 * A000948 A000949 A000950

KEYWORD

nonn

AUTHOR

E. K. Lloyd (E.K.Lloyd(AT)soton.ac.uk)

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Last modified February 17 16:35 EST 2012. Contains 206057 sequences.