A129021 A129017 with the third term from each triple omitted.

1, 1, 2, 4, 12, 19, 46, 70, 162, 239, 504, 726, 1471, 2062

Offset: 0

Author

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

Keywords

• nonn
• more

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

• Jerry Ray Dias, Constant-isomer benzenoid series and their polyradical subsets, Theoretica Chimica Acta 81(3) (1991), 125-138; see Table 2 on p. 129.
• Jerry Ray Dias, Notes on constant-isomer series, J. Chem. Inf. Comput. Sci. 33 (1993), pp. 117-127; see p. 123.
• Jerry Ray Dias, Graph theoretical invariants and elementary subgraphs of polyhex and polypent/polyhex systems of chemical relevance, Discr. App. Math. 67 (1-3) (1996), pp. 79-114; see p. 98.

Crossrefs

Cf. A129012-A129021.

Extensions

Name edited by Petros Hadjicostas, Nov 17 2019