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.

A242925 Numbers k such that lambda(k) divides Sum_{j=1..k} lambda(j).

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 7
7 8
8 11
9 12
10 14
11 15
12 16
13 18
14 19
15 20
16 24
17 30
18 31
19 34
20 40
21 42
22 44
23 60
24 72
25 80
26 83
27 130
28 132
29 136
30 195
31 208
32 218
33 232
34 254
35 258
36 259
37 260
38 264
39 272
40 276
41 305
42 306
43 408
44 420
45 440
46 464
47 504
48 560
49 585
50 586
51 594
52 595
53 609
54 624
55 636
56 715
57 819
58 840

List of values

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 15, 16, 18, 19, 20, 24, 30, 31, 34, 40, 42, 44, 60, 72, 80, 83, 130, 132, 136, 195, 208, 218, 232, 254, 258, 259, 260, 264, 272, 276, 305, 306, 408, 420, 440, 464, 504, 560, 585, 586, 594, 595, 609, 624, 636, 715, 819, 840]