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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.

A050779 Primes that are not ending primes after the iterated procedure of 'composite added to the sum of its prime factors reaches a prime'.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 13
6 37
7 43
8 61
9 67
10 73
11 97
12 101
13 137
14 139
15 157
16 163
17 173
18 181
19 193
20 197
21 199
22 211
23 223
24 233
25 257
26 277
27 281
28 283
29 307
30 347
31 349
32 353
33 367
34 379
35 389
36 397
37 409
38 421
39 433
40 457
41 463
42 487
43 499
44 547
45 557
46 563
47 577
48 601
49 613
50 617
51 641
52 643
53 661
54 673
55 677

List of values

[2, 3, 5, 7, 13, 37, 43, 61, 67, 73, 97, 101, 137, 139, 157, 163, 173, 181, 193, 197, 199, 211, 223, 233, 257, 277, 281, 283, 307, 347, 349, 353, 367, 379, 389, 397, 409, 421, 433, 457, 463, 487, 499, 547, 557, 563, 577, 601, 613, 617, 641, 643, 661, 673, 677]

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

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