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.

A239053 Sum of divisors of 4*n-1.

Table of values

n a(n)
1 4
2 8
3 12
4 24
5 20
6 24
7 40
8 32
9 48
10 56
11 44
12 48
13 72
14 72
15 60
16 104
17 68
18 72
19 124
20 80
21 84
22 120
23 112
24 120
25 156
26 104
27 108
28 152
29 144
30 144
31 168
32 128
33 132
34 240
35 140
36 168
37 228
38 152
39 192
40 216
41 164
42 168
43 260
44 248
45 180
46 248
47 216
48 192
49 336
50 200
51 240
52 312
53 212
54 264
55 296

List of values

[4, 8, 12, 24, 20, 24, 40, 32, 48, 56, 44, 48, 72, 72, 60, 104, 68, 72, 124, 80, 84, 120, 112, 120, 156, 104, 108, 152, 144, 144, 168, 128, 132, 240, 140, 168, 228, 152, 192, 216, 164, 168, 260, 248, 180, 248, 216, 192, 336, 200, 240, 312, 212, 264, 296]