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.

A106126 Numbers k such that k-th semiprime == 1 (mod k).

Table of values

n a(n)
1 1
2 27
3 28
4 35
5 40
6 44
7 47
8 55
9 56
10 72
11 613400
12 613401
13 613457
14 613482
15 613530
16 613538
17 613544
18 613550
19 613554
20 613556
21 613560
22 613614
23 58155520
24 58155521
25 58155533
26 58155537
27 58155540
28 58155543
29 58155545
30 58155571
31 6384425460
32 6384425506
33 6384425524

List of values

[1, 27, 28, 35, 40, 44, 47, 55, 56, 72, 613400, 613401, 613457, 613482, 613530, 613538, 613544, 613550, 613554, 613556, 613560, 613614, 58155520, 58155521, 58155533, 58155537, 58155540, 58155543, 58155545, 58155571, 6384425460, 6384425506, 6384425524]

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

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