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.

A007020 Maximal planar degree sequences with n nodes.

Original entry on oeis.org

1, 1, 1, 2, 5, 13, 33, 85, 199, 445, 947, 1909, 3713, 7006, 12765, 22764, 39540
Offset: 3

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Comments

The number of distinct degree sequences occurring in the polyhedra counted by A000109. - Sean A. Irvine, Sep 17 2017

References

  • M. B. Dillencourt, Polyhedra of small orders and their Hamiltonian properties. Tech. Rep. 92-91, Info. and Comp. Sci. Dept., Univ. Calif. Irvine, 1992.
  • N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Crossrefs

Cf. A000109.

Extensions

a(17)-a(19) from Sean A. Irvine, Sep 17 2017