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.

A107707 3-almost primes whose prime factors sum to a prime.

Table of values

n a(n)
1 12
2 28
3 45
4 52
5 63
6 75
7 76
8 99
9 117
10 147
11 148
12 153
13 165
14 172
15 175
16 207
17 245
18 268
19 273
20 279
21 316
22 325
23 333
24 345
25 369
26 385
27 388
28 399
29 412
30 423
31 435
32 436
33 475
34 477
35 507
36 508
37 549
38 561
39 595
40 603
41 651
42 652
43 657
44 665
45 715
46 747
47 759
48 772
49 775
50 777
51 795
52 833
53 845

List of values

[12, 28, 45, 52, 63, 75, 76, 99, 117, 147, 148, 153, 165, 172, 175, 207, 245, 268, 273, 279, 316, 325, 333, 345, 369, 385, 388, 399, 412, 423, 435, 436, 475, 477, 507, 508, 549, 561, 595, 603, 651, 652, 657, 665, 715, 747, 759, 772, 775, 777, 795, 833, 845]