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.

A301991 Terms of A301857 where both A301857(n) and its counterpart are composite.

Table of values

n a(n)
1 185
2 323
3 403
4 527
5 551
6 779
7 959
8 899
9 1139
10 1147
11 1517
12 1649
13 1643
14 1751
15 1763
16 1943
17 2071
18 2363
19 2509
20 2561
21 2603
22 2669
23 2827
24 2747
25 2831
26 2993
27 3635
28 3139
29 3649
30 3791
31 3737
32 3893
33 4031
34 4087
35 4453
36 4553
37 5615
38 4883
39 4891
40 5663
41 5069

List of values

[185, 323, 403, 527, 551, 779, 959, 899, 1139, 1147, 1517, 1649, 1643, 1751, 1763, 1943, 2071, 2363, 2509, 2561, 2603, 2669, 2827, 2747, 2831, 2993, 3635, 3139, 3649, 3791, 3737, 3893, 4031, 4087, 4453, 4553, 5615, 4883, 4891, 5663, 5069]