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.

A275384 Composite squarefree numbers such that the arithmetic mean of its prime factors is an integer.

Table of values

n a(n)
1 15
2 21
3 33
4 35
5 39
6 42
7 51
8 55
9 57
10 65
11 69
12 77
13 78
14 85
15 87
16 91
17 93
18 95
19 105
20 110
21 111
22 114
23 115
24 119
25 123
26 129
27 133
28 141
29 143
30 145
31 155
32 159
33 161
34 170
35 177
36 183
37 185
38 186
39 187
40 195
41 201
42 203
43 205
44 209
45 213
46 215
47 217
48 219
49 221
50 222
51 230
52 231
53 235
54 237
55 247
56 249
57 253
58 258
59 259
60 265
61 267

List of values

[15, 21, 33, 35, 39, 42, 51, 55, 57, 65, 69, 77, 78, 85, 87, 91, 93, 95, 105, 110, 111, 114, 115, 119, 123, 129, 133, 141, 143, 145, 155, 159, 161, 170, 177, 183, 185, 186, 187, 195, 201, 203, 205, 209, 213, 215, 217, 219, 221, 222, 230, 231, 235, 237, 247, 249, 253, 258, 259, 265, 267]

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

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