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.

A027759 Numerator of Sum_{p prime, p-1|n} 1/p.

Table of values

n a(n)
1 1
2 5
3 1
4 31
5 1
6 41
7 1
8 31
9 1
10 61
11 1
12 3421
13 1
14 5
15 1
16 557
17 1
18 821
19 1
20 371
21 1
22 121
23 1
24 3421
25 1
26 5
27 1
28 929
29 1
30 15745
31 1
32 557
33 1
34 5
35 1
36 2557843
37 1
38 5
39 1
40 15541
41 1
42 1805
43 1
44 743
45 1
46 241
47 1
48 60887
49 1
50 61
51 1
52 1673
53 1
54 821
55 1
56 929
57 1
58 301
59 1
60 79085411
61 1
62 5
63 1
64 557

List of values

[1, 5, 1, 31, 1, 41, 1, 31, 1, 61, 1, 3421, 1, 5, 1, 557, 1, 821, 1, 371, 1, 121, 1, 3421, 1, 5, 1, 929, 1, 15745, 1, 557, 1, 5, 1, 2557843, 1, 5, 1, 15541, 1, 1805, 1, 743, 1, 241, 1, 60887, 1, 61, 1, 1673, 1, 821, 1, 929, 1, 301, 1, 79085411, 1, 5, 1, 557]