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.

A152444 n is included if the largest proper divisor of n that is coprime to d(n) is a composite, where d(n) is the total number of divisors of n.

Table of values

n a(n)
1 16
2 27
3 30
4 36
5 42
6 50
7 54
8 64
9 66
10 70
11 75
12 78
13 81
14 98
15 100
16 102
17 105
18 110
19 114
20 120
21 125
22 130
23 135
24 138
25 140
26 144
27 147
28 150
29 154
30 162
31 165
32 168
33 170
34 174
35 175
36 182
37 186
38 189
39 190
40 195
41 196
42 200
43 210
44 216
45 220
46 222
47 225
48 230
49 231
50 238
51 242
52 245
53 246
54 250
55 255

List of values

[16, 27, 30, 36, 42, 50, 54, 64, 66, 70, 75, 78, 81, 98, 100, 102, 105, 110, 114, 120, 125, 130, 135, 138, 140, 144, 147, 150, 154, 162, 165, 168, 170, 174, 175, 182, 186, 189, 190, 195, 196, 200, 210, 216, 220, 222, 225, 230, 231, 238, 242, 245, 246, 250, 255]

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

Content is available under The OEIS End-User License Agreement.