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.

A069062 Numbers k such that k^2-1 and k^2+1 have the same number of positive divisors.

Table of values

n a(n)
1 2
2 3
3 12
4 30
5 42
6 60
7 68
8 102
9 108
10 112
11 123
12 128
13 162
14 168
15 198
16 200
17 212
18 213
19 252
20 294
21 302
22 312
23 318
24 333
25 336
26 338
27 372
28 387
29 447
30 448
31 450
32 462
33 498
34 502
35 522
36 542
37 578
38 592
39 598
40 600
41 606
42 612
43 648
44 672
45 678
46 708
47 717
48 752
49 762
50 795
51 808
52 810
53 812

List of values

[2, 3, 12, 30, 42, 60, 68, 102, 108, 112, 123, 128, 162, 168, 198, 200, 212, 213, 252, 294, 302, 312, 318, 333, 336, 338, 372, 387, 447, 448, 450, 462, 498, 502, 522, 542, 578, 592, 598, 600, 606, 612, 648, 672, 678, 708, 717, 752, 762, 795, 808, 810, 812]