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.

A346869 Sum of all divisors, except the smallest and the largest of every number, of the first n odd numbers.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 3
6 3
7 3
8 11
9 11
10 11
11 21
12 21
13 26
14 38
15 38
16 38
17 52
18 64
19 64
20 80
21 80
22 80
23 112
24 112
25 119
26 139
27 139
28 155
29 177
30 177
31 177
32 217
33 235
34 235
35 261
36 261
37 261
38 309
39 327
40 327
41 366
42 366
43 388
44 420
45 420
46 440
47 474
48 498
49 498
50 554
51 554
52 554
53 640
54 640
55 640
56 680
57 680
58 708
59 772
60 796

List of values

[0, 0, 0, 0, 3, 3, 3, 11, 11, 11, 21, 21, 26, 38, 38, 38, 52, 64, 64, 80, 80, 80, 112, 112, 119, 139, 139, 155, 177, 177, 177, 217, 235, 235, 261, 261, 261, 309, 327, 327, 366, 366, 388, 420, 420, 440, 474, 498, 498, 554, 554, 554, 640, 640, 640, 680, 680, 708, 772, 796]

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

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