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A256981 Number of benzenoid graphs with n hexagonal faces and forcing number 0. 0
1, 1, 7, 30, 141, 668, 3249, 15666, 75931, 367664, 1781841, 8636667, 41888162 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,3

REFERENCES

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

LINKS

Table of n, a(n) for n=3..15.

CROSSREFS

Sequence in context: A024311 A210100 A297080 * A323929 A180786 A343755

Adjacent sequences:  A256978 A256979 A256980 * A256982 A256983 A256984

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Apr 24 2015

STATUS

approved

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Last modified June 25 19:25 EDT 2022. Contains 354851 sequences. (Running on oeis4.)