A256981 Number of benzenoid graphs with n hexagonal faces and forcing number 0.

1, 1, 7, 30, 141, 668, 3249, 15666, 75931, 367664, 1781841, 8636667, 41888162

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: A210100 A297080 A375308 * A323929 A180786 A343755

Adjacent sequences: A256978 A256979 A256980 * A256982 A256983 A256984

Keyword

nonn,more

Author

N. J. A. Sloane, Apr 24 2015

Status

approved