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.

A045746 Numbers whose sum of divisors is a triangular number.

Table of values

n a(n)
1 1
2 2
3 5
4 8
5 12
6 22
7 36
8 45
9 54
10 56
11 87
12 95
13 98
14 104
15 116
16 152
17 160
18 200
19 212
20 258
21 328
22 342
23 356
24 393
25 427
26 441
27 473
28 492
29 531
30 572
31 582
32 588
33 660
34 668
35 672
36 726
37 740
38 800
39 843
40 852
41 858
42 879
43 908
44 909
45 910
46 940
47 962
48 992

List of values

[1, 2, 5, 8, 12, 22, 36, 45, 54, 56, 87, 95, 98, 104, 116, 152, 160, 200, 212, 258, 328, 342, 356, 393, 427, 441, 473, 492, 531, 572, 582, 588, 660, 668, 672, 726, 740, 800, 843, 852, 858, 879, 908, 909, 910, 940, 962, 992]