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.

A199859 Numbers k such that 6k-5 is a composite number of the form (6x-5)*(6y-5) when x or y is not equal to 1 except for k=1.

Table of values

n a(n)
0 1
1 9
2 16
3 23
4 29
5 30
6 37
7 42
8 44
9 51
10 55
11 58
12 61
13 65
14 68
15 72
16 79
17 80
18 81
19 86
20 93
21 94
22 99
23 100
24 105
25 107
26 114
27 118
28 120
29 121
30 128
31 130
32 133
33 135
34 137
35 142
36 146
37 149
38 155
39 156
40 159
41 161
42 163
43 170
44 172
45 175
46 177
47 180
48 184
49 185
50 191
51 192
52 194
53 198
54 205
55 211
56 212

List of values

[1, 9, 16, 23, 29, 30, 37, 42, 44, 51, 55, 58, 61, 65, 68, 72, 79, 80, 81, 86, 93, 94, 99, 100, 105, 107, 114, 118, 120, 121, 128, 130, 133, 135, 137, 142, 146, 149, 155, 156, 159, 161, 163, 170, 172, 175, 177, 180, 184, 185, 191, 192, 194, 198, 205, 211, 212]