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.

A226323 Number of ordered pairs (i,j) with |i| * |j| <= n and gcd(i,j) <= 1.

Table of values

n a(n)
0 1
1 9
2 17
3 25
4 33
5 41
6 57
7 65
8 73
9 81
10 97
11 105
12 121
13 129
14 145
15 161
16 169
17 177
18 193
19 201
20 217
21 233
22 249
23 257
24 273
25 281
26 297
27 305
28 321
29 329
30 361
31 369
32 377
33 393
34 409
35 425
36 441
37 449
38 465
39 481
40 497
41 505
42 537
43 545
44 561
45 577
46 593
47 601
48 617
49 625
50 641
51 657
52 673
53 681
54 697

List of values

[1, 9, 17, 25, 33, 41, 57, 65, 73, 81, 97, 105, 121, 129, 145, 161, 169, 177, 193, 201, 217, 233, 249, 257, 273, 281, 297, 305, 321, 329, 361, 369, 377, 393, 409, 425, 441, 449, 465, 481, 497, 505, 537, 545, 561, 577, 593, 601, 617, 625, 641, 657, 673, 681, 697]