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.

A050460 a(n) = Sum_{d|n, n/d=1 mod 4} d.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 6
6 6
7 7
8 8
9 10
10 12
11 11
12 12
13 14
14 14
15 18
16 16
17 18
18 20
19 19
20 24
21 22
22 22
23 23
24 24
25 31
26 28
27 30
28 28
29 30
30 36
31 31
32 32
33 34
34 36
35 42
36 40
37 38
38 38
39 42
40 48
41 42
42 44
43 43
44 44
45 60
46 46
47 47
48 48
49 50
50 62
51 54
52 56
53 54
54 60
55 66
56 56
57 58
58 60
59 59
60 72
61 62
62 62
63 73
64 64
65 84
66 68

List of values

[1, 2, 3, 4, 6, 6, 7, 8, 10, 12, 11, 12, 14, 14, 18, 16, 18, 20, 19, 24, 22, 22, 23, 24, 31, 28, 30, 28, 30, 36, 31, 32, 34, 36, 42, 40, 38, 38, 42, 48, 42, 44, 43, 44, 60, 46, 47, 48, 50, 62, 54, 56, 54, 60, 66, 56, 58, 60, 59, 72, 62, 62, 73, 64, 84, 68]