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.

A361446 Number of connected 3-regular multigraphs on 2n unlabeled nodes rooted at an oriented edge (or loop), loops allowed.

Table of values

n a(n)
0 1
1 3
2 16
3 99
4 717
5 5964
6 56701
7 611750
8 7432491
9 100838222
10 1514749135
11 24989362186
12 449429188211
13 8754181791029
14 183621843677724
15 4126714250580949
16 98932328702693666
17 2520187379996442269
18 67980528958530199837
19 1935753445850303203221
20 58025998739501873764826

List of values

[1, 3, 16, 99, 717, 5964, 56701, 611750, 7432491, 100838222, 1514749135, 24989362186, 449429188211, 8754181791029, 183621843677724, 4126714250580949, 98932328702693666, 2520187379996442269, 67980528958530199837, 1935753445850303203221, 58025998739501873764826]

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

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