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.

A050781 Numbers k such that sopfr(k) = sopfr(k - sopfr(k)).

Table of values

n a(n)
0 55
1 72
2 84
3 119
4 143
5 256
6 2106
7 2211
8 2279
9 3024
10 3150
11 3551
12 4284
13 6360
14 6500
15 9350
16 10200
17 10285
18 10919
19 13560
20 14279
21 14351
22 15606
23 16463
24 17063
25 23595
26 25011
27 27208
28 28208
29 28600
30 31460
31 33096
32 42180
33 44330
34 52320
35 53053
36 53824

List of values

[55, 72, 84, 119, 143, 256, 2106, 2211, 2279, 3024, 3150, 3551, 4284, 6360, 6500, 9350, 10200, 10285, 10919, 13560, 14279, 14351, 15606, 16463, 17063, 23595, 25011, 27208, 28208, 28600, 31460, 33096, 42180, 44330, 52320, 53053, 53824]