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.

Showing 1-2 of 2 results.

A122423 Number of unigraphic degree sequences among all graphs (connected or otherwise) on n vertices.

Original entry on oeis.org

1, 2, 4, 11, 28, 72, 170, 407, 956, 2252
Offset: 1

Views

Author

Gordon F. Royle, Sep 03 2006

Keywords

Comments

A degree sequence is unigraphic if there is only one graph (up to isomorphism) with that degree sequence.

Links

Crossrefs

Cf. A365548 (number of unigraphic graphs on n nodes that are connected).
Cf. A309757 (number of connected graphs that have distinct degree sequences among all connected graphs).

A309757 Number of simple connected graphs that have distinct degree sequences among all connected graphs with n nodes.

Original entry on oeis.org

1, 1, 1, 2, 6, 17, 45, 99, 238, 549, 1296
Offset: 0

Views

Author

Andrew Howroyd, Aug 15 2019

Keywords

Links

Crossrefs

Cf. A001349, A007721, A122423, A365548.
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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