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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.

A112950 Number of unrooted regular planar maps of valency 7 with 2n vertices (considered up to orientation-preserving homeomorphisms).

Table of values

n a(n)
1 39
2 80600
3 513654400
4 4742588317460
5 53786496621600480
6 696401295433093120200
7 9891028759926839453714800
8 150420303869075439022288355100
9 2410984386008752279281147366400400

List of values

[39, 80600, 513654400, 4742588317460, 53786496621600480, 696401295433093120200, 9891028759926839453714800, 150420303869075439022288355100, 2410984386008752279281147366400400]

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

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