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.

A135580 Largest prime visible as a substring of 10n+3.

Table of values

n a(n)
0 3
1 13
2 23
3 3
4 43
5 53
6 3
7 73
8 83
9 3
10 103
11 113
12 23
13 13
14 43
15 53
16 163
17 173
18 83
19 193
20 3
21 13
22 223
23 233
24 43
25 53
26 263
27 73
28 283
29 293
30 3
31 313
32 23
33 3
34 43
35 353
36 3
37 373
38 383
39 3
40 3
41 41
42 23
43 433
44 443
45 53
46 463
47 73
48 83
49 3
50 503
51 13
52 523
53 53
54 43
55 53
56 563
57 73
58 83
59 593
60 3
61 613
62 23
63 3
64 643
65 653
66 3

List of values

[3, 13, 23, 3, 43, 53, 3, 73, 83, 3, 103, 113, 23, 13, 43, 53, 163, 173, 83, 193, 3, 13, 223, 233, 43, 53, 263, 73, 283, 293, 3, 313, 23, 3, 43, 353, 3, 373, 383, 3, 3, 41, 23, 433, 443, 53, 463, 73, 83, 3, 503, 13, 523, 53, 43, 53, 563, 73, 83, 593, 3, 613, 23, 3, 643, 653, 3]

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

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