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.

A131174 a(2n) = 2*A000217(n), a(2n+1) = A000217(n).

Table of values

n a(n)
0 0
1 0
2 2
3 1
4 6
5 3
6 12
7 6
8 20
9 10
10 30
11 15
12 42
13 21
14 56
15 28
16 72
17 36
18 90
19 45
20 110
21 55
22 132
23 66
24 156
25 78
26 182
27 91
28 210
29 105
30 240
31 120
32 272
33 136
34 306
35 153
36 342
37 171
38 380
39 190
40 420
41 210
42 462
43 231
44 506
45 253
46 552
47 276
48 600
49 300
50 650
51 325
52 702
53 351
54 756
55 378
56 812
57 406
58 870
59 435

List of values

[0, 0, 2, 1, 6, 3, 12, 6, 20, 10, 30, 15, 42, 21, 56, 28, 72, 36, 90, 45, 110, 55, 132, 66, 156, 78, 182, 91, 210, 105, 240, 120, 272, 136, 306, 153, 342, 171, 380, 190, 420, 210, 462, 231, 506, 253, 552, 276, 600, 300, 650, 325, 702, 351, 756, 378, 812, 406, 870, 435]