cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A129023 Isomer numbers for the indacenoid constant-isomer series.

Original entry on oeis.org

1, 1, 1, 3, 6, 7, 6, 12, 28, 26, 28, 51
Offset: 0

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Author

N. J. A. Sloane, May 10 2007

Keywords

Comments

This allows two single pentagonal rings among otherwise hexagonal rings.
The terms occur in groups of 4: X, Y, X, Y, ...

References

  • J. Brunvoll, B. N. Cyvin, S. J. Cyvin, G. Brinkmann and J. Bornhoft, Z. Naturforsch., 51a, 1073 (1996).
  • S. J. Cyvin, B. N. Cyvin and J. Brunvoll, J. Molec. Struct. (Theochem), 281, 229 (1993).
  • J. R. Dias, Chem. Phys. Lett., 185, 10 (1991).
  • J. R. Dias, J. Chem. Inf. Comput. Sci., 32, 203-209 (1992). (*)
  • J. R. Dias, J. Chem. Inf. Comput. Sci. 33, 117 (1993).
  • J. R. Dias, Discr. App. Math., 67, 79 (1996).
  • 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. [See Section 5.2.]

Crossrefs

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