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.

A067196 Numbers n such that M(n) = Sum_{i=1..n} mu(phi(i)) where M(n) is the Mertens function A002321(n).

Table of values

n a(n)
1 1
2 6
3 142
4 154
5 157
6 167
7 168
8 169
9 209
10 213
11 214
12 231
13 232
14 235
15 236
16 238
17 239
18 240
19 242
20 243
21 244
22 245
23 247
24 248
25 251
26 252
27 257
28 259
29 260
30 261
31 263
32 264
33 266
34 269
35 270
36 278
37 279
38 280
39 301
40 318
41 362
42 363
43 364
44 366
45 367
46 368
47 369
48 371
49 372
50 391
51 392
52 402

List of values

[1, 6, 142, 154, 157, 167, 168, 169, 209, 213, 214, 231, 232, 235, 236, 238, 239, 240, 242, 243, 244, 245, 247, 248, 251, 252, 257, 259, 260, 261, 263, 264, 266, 269, 270, 278, 279, 280, 301, 318, 362, 363, 364, 366, 367, 368, 369, 371, 372, 391, 392, 402]