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A256982
Number of benzenoid graphs with n hexagonal faces and forcing number 1.
1
1, 1, 2, 6, 15, 51, 190, 767, 3256, 14420, 65298, 301920, 1416398, 6730574, 32315128
OFFSET
1,3
LINKS
C. E. Larson and N. Van Cleemput, Forcing Independence, Croatica Chemica Acta, Vol. 86, No. 4, Dec. 2013, 469-475.
CROSSREFS
Sequence in context: A368411 A255540 A323926 * A372853 A047870 A027287
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Apr 24 2015
STATUS
approved