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.

A337674 Numbers k whose prime divisors are all less than or equal to the number of divisors of k.

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 8
6 9
7 12
8 16
9 18
10 20
11 24
12 27
13 30
14 32
15 36
16 40
17 42
18 45
19 48
20 50
21 54
22 56
23 60
24 64
25 70
26 72
27 75
28 80
29 81
30 84
31 90
32 96
33 100
34 105
35 108
36 112
37 120
38 126
39 128
40 132
41 135
42 140
43 144
44 150
45 160
46 162
47 168
48 180
49 189
50 192
51 196
52 198
53 200
54 210
55 216
56 220
57 224
58 225
59 240
60 243
61 250

List of values

[1, 2, 4, 6, 8, 9, 12, 16, 18, 20, 24, 27, 30, 32, 36, 40, 42, 45, 48, 50, 54, 56, 60, 64, 70, 72, 75, 80, 81, 84, 90, 96, 100, 105, 108, 112, 120, 126, 128, 132, 135, 140, 144, 150, 160, 162, 168, 180, 189, 192, 196, 198, 200, 210, 216, 220, 224, 225, 240, 243, 250]

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

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