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.

A129980 Sum of the digits of the sum of n!!, with n>=0.

Table of values

n a(n)
0 1
1 2
2 4
3 7
4 6
5 3
6 15
7 12
8 18
9 9
10 15
11 24
12 24
13 33
14 24
15 33
16 24
17 33
18 24
19 51
20 42
21 51
22 33
23 51
24 69
25 51
26 60
27 69
28 60
29 87
30 60
31 60
32 87
33 105
34 87
35 87
36 105
37 87
38 87
39 105
40 114
41 105
42 96
43 141
44 123
45 123
46 159
47 150
48 159
49 150
50 141
51 141
52 132
53 168
54 159
55 150
56 177
57 159
58 159
59 168
60 195
61 186
62 195

List of values

[1, 2, 4, 7, 6, 3, 15, 12, 18, 9, 15, 24, 24, 33, 24, 33, 24, 33, 24, 51, 42, 51, 33, 51, 69, 51, 60, 69, 60, 87, 60, 60, 87, 105, 87, 87, 105, 87, 87, 105, 114, 105, 96, 141, 123, 123, 159, 150, 159, 150, 141, 141, 132, 168, 159, 150, 177, 159, 159, 168, 195, 186, 195]