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.

A270383 Number of ordered pairs (i,j) with i >= j, |i|, |j| <= n, and |i * j| <= n.

Table of values

n a(n)
0 1
1 6
2 12
3 18
4 27
5 33
6 43
7 49
8 59
9 68
10 78
11 84
12 98
13 104
14 114
15 124
16 137
17 143
18 157
19 163
20 177
21 187
22 197
23 203
24 221
25 230
26 240
27 250
28 264
29 270
30 288
31 294
32 308
33 318
34 328
35 338
36 359
37 365
38 375
39 385
40 403
41 409
42 427
43 433
44 447
45 461
46 471
47 477
48 499
49 508
50 522

List of values

[1, 6, 12, 18, 27, 33, 43, 49, 59, 68, 78, 84, 98, 104, 114, 124, 137, 143, 157, 163, 177, 187, 197, 203, 221, 230, 240, 250, 264, 270, 288, 294, 308, 318, 328, 338, 359, 365, 375, 385, 403, 409, 427, 433, 447, 461, 471, 477, 499, 508, 522]