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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.

A078930 Let r+i*s be the sum of the distinct first-quadrant Gaussian integers dividing n; sequence gives r+s values.

Table of values

n a(n)
1 1
2 5
3 4
4 13
5 12
6 20
7 8
8 29
9 13
10 56
11 12
12 52
13 24
14 40
15 48
16 61
17 28
18 65
19 20
20 144
21 32
22 60
23 24
24 116
25 81
26 112
27 40
28 104
29 44
30 224
31 32
32 125
33 48
34 136
35 96
36 169
37 52
38 100
39 96
40 320
41 60
42 160
43 44
44 156
45 156
46 120
47 48
48 244
49 57
50 369
51 112
52 288
53 72
54 200
55 144
56 232
57 80
58 212
59 60
60 576
61 84
62 160
63 104

List of values

[1, 5, 4, 13, 12, 20, 8, 29, 13, 56, 12, 52, 24, 40, 48, 61, 28, 65, 20, 144, 32, 60, 24, 116, 81, 112, 40, 104, 44, 224, 32, 125, 48, 136, 96, 169, 52, 100, 96, 320, 60, 160, 44, 156, 156, 120, 48, 244, 57, 369, 112, 288, 72, 200, 144, 232, 80, 212, 60, 576, 84, 160, 104]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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