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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.

A057742 Maximal order of element of alternating group A_{2n}.

Table of values

n a(n)
0 1
1 1
2 3
3 5
4 15
5 21
6 35
7 60
8 105
9 140
10 210
11 420
12 420
13 1155
14 1365
15 2310
16 4620
17 5460
18 9240
19 13860
20 16380
21 27720
22 32760
23 60060
24 60060
25 120120
26 180180
27 180180
28 360360
29 360360
30 510510
31 1021020
32 1141140
33 2042040
34 3063060
35 3423420
36 6126120
37 6846840

List of values

[1, 1, 3, 5, 15, 21, 35, 60, 105, 140, 210, 420, 420, 1155, 1365, 2310, 4620, 5460, 9240, 13860, 16380, 27720, 32760, 60060, 60060, 120120, 180180, 180180, 360360, 360360, 510510, 1021020, 1141140, 2042040, 3063060, 3423420, 6126120, 6846840]

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

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