A129018 A129017(3n).

1, 2, 12, 46, 162, 504, 1471

Offset

0,2

References

J. R. Dias, The Periodic Table Set as a Unifying Concept in Going from Benzenoid Hydrocarbons to Fullerene Carbons, in "The Periodic Table: Into the 21st Century", Edited by D. H. Rouvray and R. B. King, Research Studies Press Ltd, Baldock, Hertfordshire, England, 2004, 371-396.

Links

Table of n, a(n) for n=0..6.

Crossrefs

Cf. A129012-A129021.

Sequence in context: A061990 A006742 A003993 * A302447 A319763 A320684

Adjacent sequences: A129015 A129016 A129017 * A129019 A129020 A129021

Keyword

nonn

Author

N. J. A. Sloane, based on email from Jerry R. Dias (DiasJ(AT)umkc.edu), May 08 2007

Status

approved