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.

A242643 a(n) = Sum_{d|n, d <= 6} d^2 + 6*Sum_{d|n, d>6} d.

Table of values

n a(n)
1 1
2 5
3 10
4 21
5 26
6 50
7 43
8 69
9 64
10 90
11 67
12 138
13 79
14 131
15 125
16 165
17 103
18 212
19 115
20 226
21 178
22 203
23 139
24 330
25 176
26 239
27 226
28 315
29 175
30 405
31 187
32 357
33 274
34 311
35 278
36 516
37 223
38 347
39 322
40 514
41 247
42 554
43 259
44 483
45 449
46 419
47 283
48 714
49 337
50 540
51 418
52 567
53 319
54 698
55 422
56 699
57 466
58 527
59 355
60 973
61 367
62 563
63 610
64 741
65 494
66 842

List of values

[1, 5, 10, 21, 26, 50, 43, 69, 64, 90, 67, 138, 79, 131, 125, 165, 103, 212, 115, 226, 178, 203, 139, 330, 176, 239, 226, 315, 175, 405, 187, 357, 274, 311, 278, 516, 223, 347, 322, 514, 247, 554, 259, 483, 449, 419, 283, 714, 337, 540, 418, 567, 319, 698, 422, 699, 466, 527, 355, 973, 367, 563, 610, 741, 494, 842]