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.

A069810 Integers k such that gcd(k, sigma(k)) = tau(k).

Table of values

n a(n)
1 1
2 56
3 60
4 96
5 132
6 184
7 204
8 248
9 276
10 348
11 376
12 480
13 492
14 504
15 564
16 568
17 612
18 632
19 636
20 708
21 824
22 852
23 996
24 1016
25 1068
26 1208
27 1212
28 1248
29 1284
30 1336
31 1356
32 1528
33 1572
34 1592
35 1632
36 1644
37 1784
38 1788
39 1908
40 1912
41 1980
42 2004
43 2076
44 2104
45 2148
46 2168
47 2232

List of values

[1, 56, 60, 96, 132, 184, 204, 248, 276, 348, 376, 480, 492, 504, 564, 568, 612, 632, 636, 708, 824, 852, 996, 1016, 1068, 1208, 1212, 1248, 1284, 1336, 1356, 1528, 1572, 1592, 1632, 1644, 1784, 1788, 1908, 1912, 1980, 2004, 2076, 2104, 2148, 2168, 2232]