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.

A120390 Sum of digits of double factorial numbers.

Table of values

n a(n)
1 1
2 2
3 3
4 8
5 6
6 12
7 6
8 15
9 18
10 15
11 18
12 18
13 18
14 18
15 18
16 18
17 36
18 45
19 45
20 36
21 45
22 45
23 36
24 54
25 63
26 45
27 72
28 45
29 72
30 72
31 90
32 90
33 90
34 81
35 108
36 81
37 108
38 81
39 126
40 90
41 108
42 108
43 144
44 81
45 144
46 90
47 135
48 117
49 144
50 126
51 153
52 108
53 180
54 135
55 180
56 135
57 171
58 180
59 180
60 171
61 198
62 180
63 198

List of values

[1, 2, 3, 8, 6, 12, 6, 15, 18, 15, 18, 18, 18, 18, 18, 18, 36, 45, 45, 36, 45, 45, 36, 54, 63, 45, 72, 45, 72, 72, 90, 90, 90, 81, 108, 81, 108, 81, 126, 90, 108, 108, 144, 81, 144, 90, 135, 117, 144, 126, 153, 108, 180, 135, 180, 135, 171, 180, 180, 171, 198, 180, 198]