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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.

A115957 Numbers k having exactly 3 distinct prime factors, the largest of which is greater than or equal to sqrt(k) (i.e., sqrt(k)-rough numbers with exactly 3 distinct prime factors).

Table of values

n a(n)
1 42
2 66
3 78
4 102
5 110
6 114
7 130
8 138
9 156
10 170
11 174
12 186
13 190
14 204
15 222
16 228
17 230
18 238
19 246
20 255
21 258
22 266
23 276
24 282
25 285
26 290
27 310
28 318
29 322
30 342
31 345
32 348
33 354
34 366
35 370
36 372
37 402
38 406
39 410
40 414
41 426
42 430
43 434
44 435
45 438
46 444
47 460
48 465
49 470
50 474
51 483
52 492

List of values

[42, 66, 78, 102, 110, 114, 130, 138, 156, 170, 174, 186, 190, 204, 222, 228, 230, 238, 246, 255, 258, 266, 276, 282, 285, 290, 310, 318, 322, 342, 345, 348, 354, 366, 370, 372, 402, 406, 410, 414, 426, 430, 434, 435, 438, 444, 460, 465, 470, 474, 483, 492]

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

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