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.

A199718 Numbers k such that 6*k-5 is composite, but 6*k-1 is prime.

Table of values

n a(n)
1 5
2 9
3 10
4 15
5 23
6 25
7 29
8 30
9 32
10 40
11 42
12 43
13 44
14 45
15 49
16 58
17 60
18 65
19 70
20 72
21 75
22 80
23 85
24 87
25 93
26 94
27 95
28 98
29 99
30 100
31 107
32 109
33 110
34 114
35 117
36 120
37 133
38 135
39 137
40 140
41 155
42 158
43 159
44 163
45 164
46 170
47 172
48 175
49 177
50 184
51 185
52 192
53 194
54 197
55 198
56 199
57 204
58 205

List of values

[5, 9, 10, 15, 23, 25, 29, 30, 32, 40, 42, 43, 44, 45, 49, 58, 60, 65, 70, 72, 75, 80, 85, 87, 93, 94, 95, 98, 99, 100, 107, 109, 110, 114, 117, 120, 133, 135, 137, 140, 155, 158, 159, 163, 164, 170, 172, 175, 177, 184, 185, 192, 194, 197, 198, 199, 204, 205]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.