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.

A129429 Number of isomorphism classes of 4-regular multigraphs of order n, loops allowed.

Table of values

n a(n)
1 1
2 3
3 7
4 20
5 56
6 187
7 654
8 2705
9 12587
10 67902
11 417065
12 2897432
13 22382255
14 189930004
15 1750561160
16 17380043136
17 184653542135
18 2088649831822
19 25046462480066
20 317295911519901
21 4233450347175663
22 59329632953577985
23 871281036897298464

List of values

[1, 3, 7, 20, 56, 187, 654, 2705, 12587, 67902, 417065, 2897432, 22382255, 189930004, 1750561160, 17380043136, 184653542135, 2088649831822, 25046462480066, 317295911519901, 4233450347175663, 59329632953577985, 871281036897298464]

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

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