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.

A307740 Numbers k such that k divides lcm(tau(k), sigma(k)).

Table of values

n a(n)
1 1
2 2
3 6
4 12
5 24
6 28
7 40
8 84
9 120
10 252
11 360
12 496
13 672
14 2480
15 3276
16 4680
17 7440
18 8128
19 30240
20 32760
21 56896
22 293760
23 435708
24 523776
25 997920
26 2178540
27 2618880
28 8910720
29 23569920
30 33550336
31 45532800
32 64995840
33 102136320
34 142990848
35 275890944
36 436154368
37 459818240

List of values

[1, 2, 6, 12, 24, 28, 40, 84, 120, 252, 360, 496, 672, 2480, 3276, 4680, 7440, 8128, 30240, 32760, 56896, 293760, 435708, 523776, 997920, 2178540, 2618880, 8910720, 23569920, 33550336, 45532800, 64995840, 102136320, 142990848, 275890944, 436154368, 459818240]