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A256982 Number of benzenoid graphs with n hexagonal faces and forcing number 1. 0
1, 1, 2, 6, 15, 51, 190, 767, 3256, 14420, 65298, 301920, 1416398, 6730574, 32315128 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..15.

C. E. Larson and N. Van Cleemput, Forcing Independence, Croatica Chemica Acta, Vol. 86, No. 4, Dec. 2013, 469-475.

CROSSREFS

Sequence in context: A196961 A255540 A323926 * A047870 A027287 A192186

Adjacent sequences:  A256979 A256980 A256981 * A256983 A256984 A256985

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Apr 24 2015

STATUS

approved

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Last modified June 26 07:43 EDT 2022. Contains 354877 sequences. (Running on oeis4.)