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.

A202707 Numbers k such that (sum of digits of k!!) / 9 is prime.

Table of values

n a(n)
1 9
2 11
3 12
4 13
5 14
6 15
7 16
8 18
9 19
10 21
11 22
12 25
13 26
14 28
15 48
16 51
17 57
18 60
19 70
20 72
21 74
22 78
23 80
24 81
25 82
26 86
27 89
28 92
29 103
30 109
31 111
32 114
33 120
34 125
35 128
36 130
37 131
38 142
39 145
40 146
41 151
42 155
43 157
44 159
45 164
46 168
47 169
48 179
49 183
50 185
51 186
52 191
53 195
54 197
55 200
56 205
57 210
58 211

List of values

[9, 11, 12, 13, 14, 15, 16, 18, 19, 21, 22, 25, 26, 28, 48, 51, 57, 60, 70, 72, 74, 78, 80, 81, 82, 86, 89, 92, 103, 109, 111, 114, 120, 125, 128, 130, 131, 142, 145, 146, 151, 155, 157, 159, 164, 168, 169, 179, 183, 185, 186, 191, 195, 197, 200, 205, 210, 211]