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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.

A343598 Positive integers k such that exactly half the integers in [1..k] are divisible by a 7-smooth composite number.

Table of values

n a(n)
1 10
2 12
3 14
4 62
5 74
6 86
7 88
8 90
9 92
10 100
11 102
12 104
13 106
14 108
15 110
16 112
17 114
18 116
19 118
20 120
21 126
22 128
23 130
24 132
25 136
26 138
27 140
28 154
29 156
30 172
31 174
32 178
33 180
34 182
35 184
36 186
37 188
38 194
39 202
40 204
41 208
42 210
43 212
44 246
45 248
46 250
47 252
48 256
49 258
50 260
51 262
52 264
53 266
54 268
55 270

List of values

[10, 12, 14, 62, 74, 86, 88, 90, 92, 100, 102, 104, 106, 108, 110, 112, 114, 116, 118, 120, 126, 128, 130, 132, 136, 138, 140, 154, 156, 172, 174, 178, 180, 182, 184, 186, 188, 194, 202, 204, 208, 210, 212, 246, 248, 250, 252, 256, 258, 260, 262, 264, 266, 268, 270]

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

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