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.

A099441 Numbers n such that A000295(n) = 2^n-n-1 is a semiprime.

Table of values

n a(n)
1 3
2 5
3 6
4 8
5 9
6 12
7 30
8 32
9 33
10 46
11 52
12 62
13 74
14 76
15 86
16 98
17 130
18 134
19 154
20 228
21 230
22 242
23 256
24 266
25 346
26 352
27 382
28 412
29 428
30 474
31 488
32 634
33 650
34 662
35 688
36 704
37 722
38 772
39 896
40 986
41 1108
42 1222
43 1246
44 1326

List of values

[3, 5, 6, 8, 9, 12, 30, 32, 33, 46, 52, 62, 74, 76, 86, 98, 130, 134, 154, 228, 230, 242, 256, 266, 346, 352, 382, 412, 428, 474, 488, 634, 650, 662, 688, 704, 722, 772, 896, 986, 1108, 1222, 1246, 1326]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.