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.

A261339 Least positive integer k such that both k and k*n belong to the set {m>0: m+1, m^2+1 and m^2+prime(m)^2 are all prime}.

Table of values

n a(n)
1 1
2 1
3 47500
4 20440
5 2
6 124560
7 17850
8 2730
9 185550
10 1
11 518910
12 429180
13 10
14 687480
15 81030
16 36
17 1568340
18 2
19 1165750
20 7410
21 10
22 6780
23 481140
24 10
25 10
26 5430
27 240
28 2730
29 72660
30 2080
31 18700
32 291720
33 295080
34 52860
35 5430
36 1
37 81030
38 56400
39 12490
40 43590
41 124560
42 40030
43 5170
44 278700
45 2091850
46 131320
47 184110
48 11206510
49 12910
50 1245780

List of values

[1, 1, 47500, 20440, 2, 124560, 17850, 2730, 185550, 1, 518910, 429180, 10, 687480, 81030, 36, 1568340, 2, 1165750, 7410, 10, 6780, 481140, 10, 10, 5430, 240, 2730, 72660, 2080, 18700, 291720, 295080, 52860, 5430, 1, 81030, 56400, 12490, 43590, 124560, 40030, 5170, 278700, 2091850, 131320, 184110, 11206510, 12910, 1245780]