A121163 Number of separated bicyclic skeletons with n carbon atoms (see Parks et al. for precise definition).

1, 7, 35, 147, 565, 2042, 7080, 23799, 78158, 251994, 800580, 2512782, 7807698, 24053791, 73565545, 223576181, 675753702, 2032603573, 6087798266

Offset

7,2

References

Camden A. Parks and James B. Hendrickson, Enumeration of monocyclic and bicyclic carbon skeletons, J. Chem. Inf. Comput. Sci., vol. 31, 334-339 (1991).

Links

Table of n, a(n) for n=7..25.

Crossrefs

Sequence in context: A169794 A240418 A211843 * A223621 A215510 A240423

Adjacent sequences: A121160 A121161 A121162 * A121164 A121165 A121166

Keyword

nonn

Author

Parthasarathy Nambi, Aug 13 2006

Extensions

More terms from N. J. A. Sloane, Aug 27 2006

Status

approved