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Search: id:A000948
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A000948 Number of free nonplanar polyenoids with n nodes. +0
2
0, 3, 20, 99, 450, 1896, 7771, 30895, 121144 (list; graph; listen)
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: A129549 A092786 A015529 this_sequence A165960 A074831 A000917

Adjacent sequences: A000945 A000946 A000947 this_sequence A000949 A000950 A000951

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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