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.

A247861 Prime sieve of Phi.

Table of values

n a(n)
1 1
2 80
3 3988
4 49
5 4848
6 4
7 86
8 6
9 8
10 7720309
11 62862
12 54486
13 526046
14 890244
15 0
16 20
17 893
18 48
19 540
20 17
21 38622
22 5369
23 31800
24 6
25 54
26 86
27 958
28 56
29 226
30 92
31 0
32 5
33 2501
34 3
35 43216
36 548626296
37 61
38 8
39 7
40 1
41 40805
42 9544
43 492
44 8
45 5364864
46 443
47 344
48 495658
49 88
50 8
51 39
52 254
53 706
54 15884607
55 88712
56 5
57 7
58 41662
59 40
60 0
61 2
62 7
63 77
64 15
65 14
66 1704666

List of values

[1, 80, 3988, 49, 4848, 4, 86, 6, 8, 7720309, 62862, 54486, 526046, 890244, 0, 20, 893, 48, 540, 17, 38622, 5369, 31800, 6, 54, 86, 958, 56, 226, 92, 0, 5, 2501, 3, 43216, 548626296, 61, 8, 7, 1, 40805, 9544, 492, 8, 5364864, 443, 344, 495658, 88, 8, 39, 254, 706, 15884607, 88712, 5, 7, 41662, 40, 0, 2, 7, 77, 15, 14, 1704666]