A141790 Counts of Kekulean pericondensed planar benzenoid hydrocarbons (see reference for precise definition).

1, 20, 213, 1836, 14693

Offset

10,2

References

Jerry Ray Dias, Isomer enumeration of practical benzenoids, J. Math. Chem., 44 (2008), 711-724.

Links

Table of n, a(n) for n=10..14.

Crossrefs

Sequence in context: A219467 A121204 A128823 * A229575 A125408 A213351

Adjacent sequences: A141787 A141788 A141789 * A141791 A141792 A141793

Keyword

nonn

Author

N. J. A. Sloane, Sep 18 2008

Status

approved