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.

A114606 Numbers k such that the k-th octagonal number is 3-almost prime.

Table of values

n a(n)
1 2
2 15
3 17
4 19
5 21
6 25
7 29
8 31
9 33
10 35
11 41
12 51
13 55
14 65
15 73
16 77
17 79
18 83
19 89
20 91
21 93
22 95
23 97
24 101
25 107
26 111
27 123
28 131
29 133
30 139
31 141
32 145
33 149
34 151
35 155
36 157
37 173
38 179
39 183
40 197
41 201
42 203
43 205
44 215
45 221
46 223
47 227
48 229
49 233
50 237
51 241
52 247
53 253

List of values

[2, 15, 17, 19, 21, 25, 29, 31, 33, 35, 41, 51, 55, 65, 73, 77, 79, 83, 89, 91, 93, 95, 97, 101, 107, 111, 123, 131, 133, 139, 141, 145, 149, 151, 155, 157, 173, 179, 183, 197, 201, 203, 205, 215, 221, 223, 227, 229, 233, 237, 241, 247, 253]