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.

A024816 Antisigma(n): Sum of the numbers less than n that do not divide n.

Table of values

n a(n)
1 0
2 0
3 2
4 3
5 9
6 9
7 20
8 21
9 32
10 37
11 54
12 50
13 77
14 81
15 96
16 105
17 135
18 132
19 170
20 168
21 199
22 217
23 252
24 240
25 294
26 309
27 338
28 350
29 405
30 393
31 464
32 465
33 513
34 541
35 582
36 575
37 665
38 681
39 724
40 730
41 819
42 807
43 902
44 906
45 957
46 1009
47 1080
48 1052
49 1168
50 1182
51 1254
52 1280
53 1377
54 1365

List of values

[0, 0, 2, 3, 9, 9, 20, 21, 32, 37, 54, 50, 77, 81, 96, 105, 135, 132, 170, 168, 199, 217, 252, 240, 294, 309, 338, 350, 405, 393, 464, 465, 513, 541, 582, 575, 665, 681, 724, 730, 819, 807, 902, 906, 957, 1009, 1080, 1052, 1168, 1182, 1254, 1280, 1377, 1365]