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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.

A338069 Even terms A336957(k) which are less than k, divided by 2, in order of appearance.

Table of values

n a(n)
1 15
2 12
3 18
4 30
5 24
6 27
7 33
8 36
9 39
10 43
11 44
12 46
13 47
14 57
15 60
16 69
17 72
18 93
19 90
20 107
21 108
22 105
23 111
24 112
25 114
26 117
27 127
28 129
29 141
30 153
31 154
32 157
33 159
34 162
35 165
36 169
37 168
38 173
39 171
40 170
41 174
42 176
43 177
44 179
45 180
46 181
47 183
48 188
49 184
50 182
51 187
52 191
53 193
54 196
55 189
56 186
57 192
58 201
59 198
60 208

List of values

[15, 12, 18, 30, 24, 27, 33, 36, 39, 43, 44, 46, 47, 57, 60, 69, 72, 93, 90, 107, 108, 105, 111, 112, 114, 117, 127, 129, 141, 153, 154, 157, 159, 162, 165, 169, 168, 173, 171, 170, 174, 176, 177, 179, 180, 181, 183, 188, 184, 182, 187, 191, 193, 196, 189, 186, 192, 201, 198, 208]

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

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