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.

A300906 Numbers k such that sigma(k)^k divides k^sigma(k).

Table of values

n a(n)
1 1
2 6
3 28
4 84
5 120
6 364
7 420
8 496
9 672
10 840
11 1080
12 1320
13 1488
14 1782
15 2280
16 2760
17 3276
18 3360
19 3472
20 3480
21 3720
22 3780
23 5640
24 7080
25 7392
26 7440
27 7560
28 8128
29 8736
30 9240
31 9480
32 10416
33 10920
34 11880
35 12400
36 15456
37 15960
38 16368
39 16380
40 17880
41 18360
42 18600
43 19320
44 20520

List of values

[1, 6, 28, 84, 120, 364, 420, 496, 672, 840, 1080, 1320, 1488, 1782, 2280, 2760, 3276, 3360, 3472, 3480, 3720, 3780, 5640, 7080, 7392, 7440, 7560, 8128, 8736, 9240, 9480, 10416, 10920, 11880, 12400, 15456, 15960, 16368, 16380, 17880, 18360, 18600, 19320, 20520]