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.

A171609 a(2*n) = (n+1)*a(n), a(2*n+1) = (n+1)*a(n+1), with a(1) = 1.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 12
6 16
7 24
8 30
9 60
10 72
11 96
12 112
13 168
14 192
15 240
16 270
17 540
18 600
19 720
20 792
21 1056
22 1152
23 1344
24 1456
25 2184
26 2352
27 2688
28 2880
29 3600
30 3840
31 4320
32 4590
33 9180
34 9720
35 10800
36 11400
37 13680
38 14400
39 15840
40 16632
41 22176
42 23232
43 25344
44 26496
45 30912
46 32256
47 34944
48 36400
49 54600
50 56784

List of values

[1, 2, 4, 6, 12, 16, 24, 30, 60, 72, 96, 112, 168, 192, 240, 270, 540, 600, 720, 792, 1056, 1152, 1344, 1456, 2184, 2352, 2688, 2880, 3600, 3840, 4320, 4590, 9180, 9720, 10800, 11400, 13680, 14400, 15840, 16632, 22176, 23232, 25344, 26496, 30912, 32256, 34944, 36400, 54600, 56784]