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.

A005728 Number of fractions in Farey series of order n.

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 7
5 11
6 13
7 19
8 23
9 29
10 33
11 43
12 47
13 59
14 65
15 73
16 81
17 97
18 103
19 121
20 129
21 141
22 151
23 173
24 181
25 201
26 213
27 231
28 243
29 271
30 279
31 309
32 325
33 345
34 361
35 385
36 397
37 433
38 451
39 475
40 491
41 531
42 543
43 585
44 605
45 629
46 651
47 697
48 713
49 755
50 775
51 807
52 831
53 883
54 901
55 941
56 965

List of values

[1, 2, 3, 5, 7, 11, 13, 19, 23, 29, 33, 43, 47, 59, 65, 73, 81, 97, 103, 121, 129, 141, 151, 173, 181, 201, 213, 231, 243, 271, 279, 309, 325, 345, 361, 385, 397, 433, 451, 475, 491, 531, 543, 585, 605, 629, 651, 697, 713, 755, 775, 807, 831, 883, 901, 941, 965]