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.

A050706 Composites c that reach a prime after 2 iterations of c-> c+sum of prime factors of c.

Table of values

n a(n)
1 8
2 9
3 18
4 22
5 24
6 25
7 36
8 39
9 40
10 54
11 78
12 80
13 81
14 91
15 94
16 99
17 104
18 106
19 115
20 119
21 121
22 122
23 126
24 134
25 138
26 142
27 144
28 146
29 152
30 159
31 164
32 170
33 174
34 187
35 189
36 214
37 218
38 219
39 226
40 228
41 231
42 232
43 237
44 250
45 258
46 262
47 264
48 265
49 266
50 272
51 274
52 276
53 280
54 282
55 288
56 289

List of values

[8, 9, 18, 22, 24, 25, 36, 39, 40, 54, 78, 80, 81, 91, 94, 99, 104, 106, 115, 119, 121, 122, 126, 134, 138, 142, 144, 146, 152, 159, 164, 170, 174, 187, 189, 214, 218, 219, 226, 228, 231, 232, 237, 250, 258, 262, 264, 265, 266, 272, 274, 276, 280, 282, 288, 289]