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.

A100467 Semiprimes of special form: sum of a semiprime k and the k-th semiprime.

Table of values

n a(n)
1 14
2 21
3 34
4 129
5 141
6 158
7 187
8 194
9 206
10 221
11 361
12 382
13 391
14 393
15 674
16 893
17 922
18 934
19 1067
20 1094
21 1133
22 1293
23 1415
24 1441
25 1473
26 1569
27 1589
28 1681
29 1703
30 1739
31 1769
32 1982
33 2119
34 2206
35 2362
36 2395
37 2433
38 2481
39 2507
40 2602
41 2614
42 2627
43 2642
44 2823
45 2839
46 2983

List of values

[14, 21, 34, 129, 141, 158, 187, 194, 206, 221, 361, 382, 391, 393, 674, 893, 922, 934, 1067, 1094, 1133, 1293, 1415, 1441, 1473, 1569, 1589, 1681, 1703, 1739, 1769, 1982, 2119, 2206, 2362, 2395, 2433, 2481, 2507, 2602, 2614, 2627, 2642, 2823, 2839, 2983]