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.

A270151 Discriminator of the Fibonacci numbers; least positive integer r such that F(2), F(3), ..., F(n+1) are all incongruent modulo r.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 8
6 9
7 14
8 14
9 15
10 15
11 15
12 30
13 30
14 30
15 30
16 30
17 35
18 35
19 35
20 35
21 59
22 59
23 59
24 59
25 79
26 79
27 83
28 83
29 83
30 83
31 83
32 83
33 120
34 120
35 120
36 157
37 157
38 157
39 157
40 173
41 173
42 173
43 173
44 173
45 193
46 193
47 193
48 193
49 193
50 193
51 193
52 193
53 193
54 193
55 193
56 311
57 311
58 311
59 311
60 337
61 337
62 337
63 337
64 337
65 409
66 409
67 409
68 409
69 431

List of values

[1, 2, 3, 5, 8, 9, 14, 14, 15, 15, 15, 30, 30, 30, 30, 30, 35, 35, 35, 35, 59, 59, 59, 59, 79, 79, 83, 83, 83, 83, 83, 83, 120, 120, 120, 157, 157, 157, 157, 173, 173, 173, 173, 173, 193, 193, 193, 193, 193, 193, 193, 193, 193, 193, 193, 311, 311, 311, 311, 337, 337, 337, 337, 337, 409, 409, 409, 409, 431]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.