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A000953 Number of free nonplanar polyenoids with n nodes. 1
1, 5, 24, 109, 465, 1943, 7827, 31095, 121356 (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: A046724 A008464 A063001 * A183934 A171310 A081104

Adjacent sequences:  A000950 A000951 A000952 * A000954 A000955 A000956

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 21:16 EST 2012. Contains 205856 sequences.