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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.

A055715 Numbers k such that k | sigma_11(k).

Table of values

n a(n)
1 1
2 6
3 28
4 120
5 402
6 496
7 644
8 672
9 920
10 1366
11 1608
12 1932
13 2680
14 2760
15 3417
16 3966
17 4098
18 4623
19 4975
20 5152
21 6210
22 6834
23 8040
24 8128
25 8280
26 9246
27 9528
28 9950
29 12294
30 13668
31 15008
32 15456
33 15864
34 16392
35 18492
36 19900
37 24120
38 24840
39 25954
40 27320
41 27336
42 29850
43 30240
44 32760

List of values

[1, 6, 28, 120, 402, 496, 644, 672, 920, 1366, 1608, 1932, 2680, 2760, 3417, 3966, 4098, 4623, 4975, 5152, 6210, 6834, 8040, 8128, 8280, 9246, 9528, 9950, 12294, 13668, 15008, 15456, 15864, 16392, 18492, 19900, 24120, 24840, 25954, 27320, 27336, 29850, 30240, 32760]

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

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