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.

A337988 Numbers that are the sum of the squares of two of their distinct divisors.

Table of values

n a(n)
1 20
2 80
3 90
4 180
5 272
6 320
7 360
8 468
9 500
10 650
11 720
12 810
13 980
14 1088
15 1280
16 1332
17 1440
18 1620
19 1872
20 2000
21 2250
22 2420
23 2448
24 2450
25 2600
26 2880
27 2900
28 3240
29 3380
30 3600
31 3920
32 4160
33 4212
34 4352
35 4410
36 4500
37 5120
38 5328
39 5760
40 5780
41 5850
42 6480
43 6642
44 6800
45 7220
46 7290
47 7488
48 7650

List of values

[20, 80, 90, 180, 272, 320, 360, 468, 500, 650, 720, 810, 980, 1088, 1280, 1332, 1440, 1620, 1872, 2000, 2250, 2420, 2448, 2450, 2600, 2880, 2900, 3240, 3380, 3600, 3920, 4160, 4212, 4352, 4410, 4500, 5120, 5328, 5760, 5780, 5850, 6480, 6642, 6800, 7220, 7290, 7488, 7650]