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.

A125679 Erroneous version of A108239.

Original entry on oeis.org

9, 44, 655, 42426, 11590894, 12561206794
Offset: 7

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Author

Jonathan Vos Post, Jan 30 2007

Keywords

Comments

Old name was: Number of combinatorial 2-manifolds with n vertices.
The reference includes disconnected manifolds into the count for n = 8 but not for n > 8, hence assembling these numbers into a single sequence is nonsensical. - Andrey Zabolotskiy, Sep 21 2021