A129014 A129012(3n+1).

1, 3, 12, 38, 128, 373, 1055, 2765

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..7.

Crossrefs

Cf. A129012-A129021.

Sequence in context: A278639 A350787 A222643 * A335412 A332376 A341712

Adjacent sequences: A129011 A129012 A129013 * A129015 A129016 A129017

Keyword

nonn

Author

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

Status

approved