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.

A103945 Number of rooted dual-unicursal n-edge maps in the plane (planar with a distinguished outside face).

Table of values

n a(n)
1 2
2 14
3 107
4 844
5 6757
6 54522
7 441863
8 3589880
9 29206025
10 237780982
11 1936486411
12 15771410420
13 128431734797
14 1045618229234
15 8510270668815
16 69241255165936
17 563154350637073
18 4578526894227438
19 37209886138826771
20 302291556342169580

List of values

[2, 14, 107, 844, 6757, 54522, 441863, 3589880, 29206025, 237780982, 1936486411, 15771410420, 128431734797, 1045618229234, 8510270668815, 69241255165936, 563154350637073, 4578526894227438, 37209886138826771, 302291556342169580]

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

Content is available under The OEIS End-User License Agreement.