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.

A226944 Numbers k such that 1/k + Sum_{p|k} 1/p > 1.

Table of values

n a(n)
1 30
2 60
3 90
4 120
5 150
6 180
7 210
8 240
9 270
10 300
11 330
12 360
13 390
14 420
15 450
16 462
17 480
18 510
19 540
20 546
21 570
22 600
23 630
24 660
25 690
26 714
27 720
28 750
29 780
30 798
31 810
32 840
33 858
34 870
35 900
36 924
37 930
38 960
39 966
40 990
41 1020
42 1050
43 1080
44 1092
45 1110
46 1140
47 1170
48 1200
49 1218
50 1230

List of values

[30, 60, 90, 120, 150, 180, 210, 240, 270, 300, 330, 360, 390, 420, 450, 462, 480, 510, 540, 546, 570, 600, 630, 660, 690, 714, 720, 750, 780, 798, 810, 840, 858, 870, 900, 924, 930, 960, 966, 990, 1020, 1050, 1080, 1092, 1110, 1140, 1170, 1200, 1218, 1230]