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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.

A050773 Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 6 skipped primes.

Table of values

n a(n)
1 4
2 22
3 54
4 93
5 111
6 145
7 155
8 185
9 221
10 231
11 377
12 450
13 667
14 688
15 992
16 1122
17 1161
18 1428
19 1638
20 1995
21 2144
22 2220
23 2624
24 2820
25 2838
26 3627
27 3774
28 3876
29 4225
30 4761
31 5106
32 5434
33 5590
34 5676
35 5850
36 6188
37 6216
38 6405
39 6734
40 8364
41 8554
42 9196
43 9471
44 9558
45 10660

List of values

[4, 22, 54, 93, 111, 145, 155, 185, 221, 231, 377, 450, 667, 688, 992, 1122, 1161, 1428, 1638, 1995, 2144, 2220, 2624, 2820, 2838, 3627, 3774, 3876, 4225, 4761, 5106, 5434, 5590, 5676, 5850, 6188, 6216, 6405, 6734, 8364, 8554, 9196, 9471, 9558, 10660]

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

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