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.

A107737 Numbers n such that, in prime decomposition of n, sum of all prime factors and their orders is prime.

Table of values

n a(n)
1 2
2 6
3 8
4 9
5 14
6 25
7 26
8 30
9 32
10 38
11 40
12 45
13 56
14 63
15 66
16 70
17 74
18 75
19 81
20 86
21 88
22 96
23 99
24 100
25 104
26 117
27 121
28 130
29 134
30 136
31 138
32 144
33 147
34 153
35 154
36 158
37 160
38 168
39 174
40 184
41 190
42 194
43 196
44 206
45 207
46 216
47 218
48 238
49 248
50 250
51 252
52 254
53 266
54 275
55 279
56 280
57 286
58 289

List of values

[2, 6, 8, 9, 14, 25, 26, 30, 32, 38, 40, 45, 56, 63, 66, 70, 74, 75, 81, 86, 88, 96, 99, 100, 104, 117, 121, 130, 134, 136, 138, 144, 147, 153, 154, 158, 160, 168, 174, 184, 190, 194, 196, 206, 207, 216, 218, 238, 248, 250, 252, 254, 266, 275, 279, 280, 286, 289]

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

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