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.

A376421 Numbers m with largest nondivisor k <= m such that rad(k) | m is not a prime power, where rad = A007947.

Table of values

n a(n)
1 24
2 42
3 48
4 50
5 54
6 60
7 75
8 78
9 100
10 102
11 108
12 110
13 112
14 114
15 120
16 126
17 150
18 156
19 162
20 165
21 168
22 170
23 174
24 180
25 186
26 189
27 190
28 192
29 198
30 200
31 204
32 210
33 216
34 220
35 222
36 224
37 225
38 228
39 230
40 231
41 234
42 238
43 240
44 242
45 245
46 250
47 294
48 300
49 312
50 315
51 318
52 324
53 330
54 336

List of values

[24, 42, 48, 50, 54, 60, 75, 78, 100, 102, 108, 110, 112, 114, 120, 126, 150, 156, 162, 165, 168, 170, 174, 180, 186, 189, 190, 192, 198, 200, 204, 210, 216, 220, 222, 224, 225, 228, 230, 231, 234, 238, 240, 242, 245, 250, 294, 300, 312, 315, 318, 324, 330, 336]

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

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