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.

A238367 Even numbers n such that n is not divisible by 2^d where d is the number of distinct odd prime factors of n.

Table of values

n a(n)
1 30
2 42
3 66
4 70
5 78
6 90
7 102
8 110
9 114
10 126
11 130
12 138
13 150
14 154
15 170
16 174
17 182
18 186
19 190
20 198
21 210
22 222
23 230
24 234
25 238
26 246
27 258
28 266
29 270
30 282
31 286
32 290
33 294
34 306
35 310
36 318
37 322
38 330
39 342
40 350
41 354
42 366
43 370
44 374
45 378
46 390
47 402
48 406
49 410
50 414
51 418
52 420
53 426
54 430
55 434
56 438
57 442
58 450
59 462
60 470
61 474
62 490
63 494
64 498

List of values

[30, 42, 66, 70, 78, 90, 102, 110, 114, 126, 130, 138, 150, 154, 170, 174, 182, 186, 190, 198, 210, 222, 230, 234, 238, 246, 258, 266, 270, 282, 286, 290, 294, 306, 310, 318, 322, 330, 342, 350, 354, 366, 370, 374, 378, 390, 402, 406, 410, 414, 418, 420, 426, 430, 434, 438, 442, 450, 462, 470, 474, 490, 494, 498]

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

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