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.

A248003 a(n) = (sum of totatives of n ) / (2^(omega(n)-1)); a(n) = A023896(n) / A007875(n).

Table of values

n a(n)
1 1
2 1
3 3
4 4
5 10
6 3
7 21
8 16
9 27
10 10
11 55
12 12
13 78
14 21
15 30
16 64
17 136
18 27
19 171
20 40
21 63
22 55
23 253
24 48
25 250
26 78
27 243
28 84
29 406
30 30
31 465
32 256
33 165
34 136
35 210
36 108
37 666
38 171
39 234
40 160
41 820
42 63
43 903
44 220
45 270
46 253
47 1081
48 192
49 1029
50 250
51 408
52 312
53 1378
54 243
55 550
56 336

List of values

[1, 1, 3, 4, 10, 3, 21, 16, 27, 10, 55, 12, 78, 21, 30, 64, 136, 27, 171, 40, 63, 55, 253, 48, 250, 78, 243, 84, 406, 30, 465, 256, 165, 136, 210, 108, 666, 171, 234, 160, 820, 63, 903, 220, 270, 253, 1081, 192, 1029, 250, 408, 312, 1378, 243, 550, 336]