A038145 Number of n-celled helicenes without holes.

0, 0, 0, 0, 0, 1, 8, 71, 542, 3857

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn

References

• J. V. Knop et al., On the total number of polyhexes, Match, No. 16 (1984), 119-134.

Links

• J. V. Knop, K. Szymanski, Ž. Jeričević, and N. Trinajstić, On the total number of polyhexes, Match, No. 16 (1984), 119-134.

Crossrefs

Cf. A018190, A038143-A038147.