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.

A190301 Smallest number h such that n*h is a repunit (A002275), or 0 if no such h exists.

Table of values

n a(n)
1 1
2 0
3 37
4 0
5 0
6 0
7 15873
8 0
9 12345679
10 0
11 1
12 0
13 8547
14 0
15 0
16 0
17 65359477124183
18 0
19 5847953216374269
20 0
21 5291
22 0
23 48309178743961352657
24 0
25 0
26 0
27 4115226337448559670781893
28 0
29 38314176245210727969348659
30 0
31 3584229390681
32 0
33 3367
34 0
35 0
36 0
37 3
38 0
39 2849
40 0
41 271
42 0

List of values

[1, 0, 37, 0, 0, 0, 15873, 0, 12345679, 0, 1, 0, 8547, 0, 0, 0, 65359477124183, 0, 5847953216374269, 0, 5291, 0, 48309178743961352657, 0, 0, 0, 4115226337448559670781893, 0, 38314176245210727969348659, 0, 3584229390681, 0, 3367, 0, 0, 0, 3, 0, 2849, 0, 271, 0]