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.

A195690 Numbers such that the difference between the sum of the even divisors and the sum of the odd divisors is a perfect square.

Table of values

n a(n)
1 2
2 6
3 72
4 76
5 162
6 228
7 230
8 238
9 316
10 434
11 530
12 580
13 686
14 690
15 714
16 716
17 756
18 770
19 948
20 994
21 1034
22 1054
23 1216
24 1302
25 1358
26 1490
27 1590
28 1740
29 1778
30 1836
31 1870
32 1996
33 2058
34 2148
35 2310
36 2354
37 2414
38 2438
39 2492
40 2596
41 2668
42 2786
43 2876
44 2930
45 2982
46 3002
47 3102

List of values

[2, 6, 72, 76, 162, 228, 230, 238, 316, 434, 530, 580, 686, 690, 714, 716, 756, 770, 948, 994, 1034, 1054, 1216, 1302, 1358, 1490, 1590, 1740, 1778, 1836, 1870, 1996, 2058, 2148, 2310, 2354, 2414, 2438, 2492, 2596, 2668, 2786, 2876, 2930, 2982, 3002, 3102]