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.

A253906 Numbers n such that n^2 + 3 and n^3 + 3 are semiprime.

Table of values

n a(n)
1 1
2 6
3 20
4 34
5 40
6 44
7 46
8 56
9 102
10 116
11 120
12 170
13 174
14 196
15 200
16 204
17 220
18 226
19 232
20 234
21 252
22 260
23 262
24 294
25 296
26 320
27 334
28 336
29 344
30 346
31 358
32 360
33 382
34 386
35 392
36 412
37 426
38 464
39 476
40 482
41 490
42 494
43 514
44 520
45 526
46 536
47 556
48 564
49 582
50 586
51 592
52 646
53 658
54 716

List of values

[1, 6, 20, 34, 40, 44, 46, 56, 102, 116, 120, 170, 174, 196, 200, 204, 220, 226, 232, 234, 252, 260, 262, 294, 296, 320, 334, 336, 344, 346, 358, 360, 382, 386, 392, 412, 426, 464, 476, 482, 490, 494, 514, 520, 526, 536, 556, 564, 582, 586, 592, 646, 658, 716]