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.

A327566 Partial sums of the infinitary divisors sum function: a(n) = Sum_{k=1..n} isigma(k), where isigma is A049417.

Table of values

n a(n)
1 1
2 4
3 8
4 13
5 19
6 31
7 39
8 54
9 64
10 82
11 94
12 114
13 128
14 152
15 176
16 193
17 211
18 241
19 261
20 291
21 323
22 359
23 383
24 443
25 469
26 511
27 551
28 591
29 621
30 693
31 725
32 776
33 824
34 878
35 926
36 976
37 1014
38 1074
39 1130
40 1220
41 1262
42 1358
43 1402
44 1462
45 1522
46 1594
47 1642
48 1710
49 1760
50 1838
51 1910
52 1980

List of values

[1, 4, 8, 13, 19, 31, 39, 54, 64, 82, 94, 114, 128, 152, 176, 193, 211, 241, 261, 291, 323, 359, 383, 443, 469, 511, 551, 591, 621, 693, 725, 776, 824, 878, 926, 976, 1014, 1074, 1130, 1220, 1262, 1358, 1402, 1462, 1522, 1594, 1642, 1710, 1760, 1838, 1910, 1980]