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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A187237 Number of simple connected imperfect graphs on n vertices.

Original entry on oeis.org

0, 0, 0, 0, 1, 7, 129, 3312, 134303, 8594350, 894307856, 158323596832
Offset: 1

Views

Author

Eric W. Weisstein, Mar 07 2011

Keywords

Links

Crossrefs

Cf. A001349, A052433, A187236.

Formula

a(n) = A001349(n) - A052433(n).

Extensions

a(12) using formula by Falk Hüffner, Jan 15 2016
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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