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.

A087768 Minimal prime whose reversal is a multiple of n, or 0 if no such prime exists.

Table of values

n a(n)
1 2
2 2
3 3
4 23
5 5
6 0
7 7
8 23
9 0
10 0
11 11
12 0
13 19
14 41
15 0
16 23
17 43
18 0
19 59
20 0
21 0
22 0
23 29
24 0
25 521
26 269
27 0
28 211
29 457
30 0
31 13
32 23
33 0
34 43
35 53
36 0
37 47
38 67
39 0
40 0
41 349
42 0
43 103
44 0
45 0
46 29
47 257
48 0
49 89
50 0
51 0
52 401
53 109
54 0
55 0
56 211
57 0
58 457
59 449
60 0
61 397
62 421
63 0
64 821
65 523
66 0
67 431
68 631
69 0
70 0
71 17
72 0
73 37
74 47
75 0

List of values

[2, 2, 3, 23, 5, 0, 7, 23, 0, 0, 11, 0, 19, 41, 0, 23, 43, 0, 59, 0, 0, 0, 29, 0, 521, 269, 0, 211, 457, 0, 13, 23, 0, 43, 53, 0, 47, 67, 0, 0, 349, 0, 103, 0, 0, 29, 257, 0, 89, 0, 0, 401, 109, 0, 0, 211, 0, 457, 449, 0, 397, 421, 0, 821, 523, 0, 431, 631, 0, 0, 17, 0, 37, 47, 0]

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

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