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.

A061503 a(n) = Sum_{k=1..n} tau(k^2), where tau is the number of divisors function A000005.

Table of values

n a(n)
1 1
2 4
3 7
4 12
5 15
6 24
7 27
8 34
9 39
10 48
11 51
12 66
13 69
14 78
15 87
16 96
17 99
18 114
19 117
20 132
21 141
22 150
23 153
24 174
25 179
26 188
27 195
28 210
29 213
30 240
31 243
32 254
33 263
34 272
35 281
36 306
37 309
38 318
39 327
40 348
41 351
42 378
43 381
44 396
45 411
46 420
47 423
48 450
49 455
50 470
51 479
52 494
53 497

List of values

[1, 4, 7, 12, 15, 24, 27, 34, 39, 48, 51, 66, 69, 78, 87, 96, 99, 114, 117, 132, 141, 150, 153, 174, 179, 188, 195, 210, 213, 240, 243, 254, 263, 272, 281, 306, 309, 318, 327, 348, 351, 378, 381, 396, 411, 420, 423, 450, 455, 470, 479, 494, 497]