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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A164099 Number of planar graphs with n nodes and chromatic number 2.

Original entry on oeis.org

1, 2, 6, 12, 33, 83, 273, 937, 3983, 18871, 103697, 628245, 4161652, 29372754, 218035754
Offset: 2

Views

Author

Keith Briggs, Aug 10 2009

Keywords

Formula

(Euler transform of A243321) - 1. - Falk Hüffner, May 10 2019

Extensions

Added term 18871 (for n=11), Keith Briggs, Aug 25 2009
a(12)-a(16) from formula by Falk Hüffner, May 10 2019
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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