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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.

A103937 Number of unrooted n-edge maps in the plane (planar map with a distinguished outside face).

Table of values

n a(n)
0 1
1 2
2 6
3 26
4 150
5 1032
6 8074
7 67086
8 586752
9 5317226
10 49592424
11 473357994
12 4606116310
13 45554761836
14 456848968518
15 4637014782748
16 47563495004742
17 492422043299964
18 5140194991046122
19 54053208147441474
20 572191817441284272
21 6093471300213162072
22 65245904156725935906

List of values

[1, 2, 6, 26, 150, 1032, 8074, 67086, 586752, 5317226, 49592424, 473357994, 4606116310, 45554761836, 456848968518, 4637014782748, 47563495004742, 492422043299964, 5140194991046122, 54053208147441474, 572191817441284272, 6093471300213162072, 65245904156725935906]

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

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