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.

A100819 Composite numbers whose prime factors are twin primes.

Table of values

n a(n)
1 9
2 15
3 21
4 25
5 27
6 33
7 35
8 39
9 45
10 49
11 51
12 55
13 57
14 63
15 65
16 75
17 77
18 81
19 85
20 87
21 91
22 93
23 95
24 99
25 105
26 117
27 119
28 121
29 123
30 125
31 129
32 133
33 135
34 143
35 145
36 147
37 153
38 155
39 165
40 169
41 171
42 175
43 177
44 183
45 187
46 189
47 195
48 203
49 205
50 209
51 213
52 215
53 217
54 219
55 221

List of values

[9, 15, 21, 25, 27, 33, 35, 39, 45, 49, 51, 55, 57, 63, 65, 75, 77, 81, 85, 87, 91, 93, 95, 99, 105, 117, 119, 121, 123, 125, 129, 133, 135, 143, 145, 147, 153, 155, 165, 169, 171, 175, 177, 183, 187, 189, 195, 203, 205, 209, 213, 215, 217, 219, 221]