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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.

A086148 Sum of the orders of the elements in the dihedral group D_2n.

Table of values

n a(n)
1 3
2 7
3 13
4 19
5 31
6 33
7 57
8 59
9 79
10 83
11 133
12 101
13 183
14 157
15 177
16 203
17 307
18 219
19 381
20 271
21 343
22 377
23 553
24 349
25 571
26 523
27 601
28 529
29 871
30 501
31 993
32 747
33 843
34 887
35 973
36 743
37 1407
38 1105
39 1177
40 983
41 1723
42 987
43 1893
44 1309
45 1371
46 1613
47 2257
48 1293
49 2199
50 1663
51 2013

List of values

[3, 7, 13, 19, 31, 33, 57, 59, 79, 83, 133, 101, 183, 157, 177, 203, 307, 219, 381, 271, 343, 377, 553, 349, 571, 523, 601, 529, 871, 501, 993, 747, 843, 887, 973, 743, 1407, 1105, 1177, 983, 1723, 987, 1893, 1309, 1371, 1613, 2257, 1293, 2199, 1663, 2013]

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

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