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.

A340609 Numbers whose number of prime factors (A001222) is divisible by their greatest prime index (A061395).

Table of values

n a(n)
1 2
2 4
3 6
4 8
5 9
6 16
7 20
8 24
9 30
10 32
11 36
12 45
13 50
14 54
15 56
16 64
17 75
18 81
19 84
20 96
21 125
22 126
23 128
24 140
25 144
26 160
27 176
28 189
29 196
30 210
31 216
32 240
33 256
34 264
35 294
36 315
37 324
38 350
39 360
40 384
41 396
42 400
43 416
44 440
45 441
46 486
47 490
48 512
49 525
50 540
51 576
52 594
53 600
54 616
55 624
56 660
57 686

List of values

[2, 4, 6, 8, 9, 16, 20, 24, 30, 32, 36, 45, 50, 54, 56, 64, 75, 81, 84, 96, 125, 126, 128, 140, 144, 160, 176, 189, 196, 210, 216, 240, 256, 264, 294, 315, 324, 350, 360, 384, 396, 400, 416, 440, 441, 486, 490, 512, 525, 540, 576, 594, 600, 616, 624, 660, 686]

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

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