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.

A122145 Numbers k such that q(k) < M(k) where q(k) is the largest prime divisor of k and M(k) is the largest prime power divisor of k.

Table of values

n a(n)
1 4
2 8
3 9
4 12
5 16
6 18
7 24
8 25
9 27
10 32
11 36
12 40
13 45
14 48
15 49
16 50
17 54
18 56
19 63
20 64
21 72
22 75
23 80
24 81
25 90
26 96
27 98
28 100
29 108
30 112
31 120
32 121
33 125
34 126
35 128
36 135
37 144
38 147
39 150
40 160
41 162
42 168
43 169
44 175
45 176
46 180
47 189
48 192
49 196
50 200
51 208
52 216
53 224
54 225
55 240
56 242
57 243
58 245
59 250

List of values

[4, 8, 9, 12, 16, 18, 24, 25, 27, 32, 36, 40, 45, 48, 49, 50, 54, 56, 63, 64, 72, 75, 80, 81, 90, 96, 98, 100, 108, 112, 120, 121, 125, 126, 128, 135, 144, 147, 150, 160, 162, 168, 169, 175, 176, 180, 189, 192, 196, 200, 208, 216, 224, 225, 240, 242, 243, 245, 250]

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

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