A141789 Counts of Kekulean pericondensed planar benzenoid hydrocarbons C_{4n-6}H_{2n-4}.

3, 34, 264, 2085, 14896, 653556

Offset

9,1

Links

Table of n, a(n) for n=9..14.

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

Crossrefs

Sequence in context: A381643 A279130 A266696 * A121077 A024396 A246384

Adjacent sequences: A141786 A141787 A141788 * A141790 A141791 A141792

Keyword

nonn,more

Author

N. J. A. Sloane, Sep 18 2008

Status

approved