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.

A384519 Numbers whose powerful part (A057521) is greater than 1 and is equal to a squarefree number raised to an even power (A384517).

Table of values

n a(n)
1 4
2 9
3 12
4 16
5 18
6 20
7 25
8 28
9 36
10 44
11 45
12 48
13 49
14 50
15 52
16 60
17 63
18 64
19 68
20 75
21 76
22 80
23 81
24 84
25 90
26 92
27 98
28 99
29 100
30 112
31 116
32 117
33 121
34 124
35 126
36 132
37 140
38 147
39 148
40 150
41 153
42 156
43 162
44 164
45 169
46 171
47 172
48 175
49 176
50 180
51 188
52 192
53 196
54 198
55 204
56 207
57 208
58 212
59 220

List of values

[4, 9, 12, 16, 18, 20, 25, 28, 36, 44, 45, 48, 49, 50, 52, 60, 63, 64, 68, 75, 76, 80, 81, 84, 90, 92, 98, 99, 100, 112, 116, 117, 121, 124, 126, 132, 140, 147, 148, 150, 153, 156, 162, 164, 169, 171, 172, 175, 176, 180, 188, 192, 196, 198, 204, 207, 208, 212, 220]

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

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