A038146 Number of n-celled helicenes with peri-fragments.

0, 0, 0, 0, 0, 0, 3, 36, 342, 2736

Offset

1,7

References

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

Links

Table of n, a(n) for n=1..10.

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.

Sequence in context: A034860 A220831 A003691 * A067444 A092648 A026121

Adjacent sequences: A038143 A038144 A038145 * A038147 A038148 A038149

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved