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.

A127329 Semiprimes equal to the sum of three primes in arithmetic progression.

Table of values

n a(n)
1 15
2 21
3 33
4 39
5 51
6 57
7 69
8 87
9 93
10 111
11 123
12 129
13 141
14 159
15 177
16 183
17 201
18 213
19 219
20 237
21 249
22 267
23 291
24 303
25 309
26 321
27 327
28 339
29 381
30 393
31 411
32 417
33 447
34 453
35 471
36 489
37 501
38 519
39 537
40 543
41 573
42 579
43 591
44 597
45 633
46 669
47 681
48 687
49 699
50 717
51 723
52 753
53 771
54 789

List of values

[15, 21, 33, 39, 51, 57, 69, 87, 93, 111, 123, 129, 141, 159, 177, 183, 201, 213, 219, 237, 249, 267, 291, 303, 309, 321, 327, 339, 381, 393, 411, 417, 447, 453, 471, 489, 501, 519, 537, 543, 573, 579, 591, 597, 633, 669, 681, 687, 699, 717, 723, 753, 771, 789]