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.

A111525 a(1) = 10; a(n) = smallest number such that the juxtaposition a(1)a(2)...a(n) is a prime.

Table of values

n a(n)
1 10
2 1
3 3
4 3
5 3
6 29
7 1
8 3
9 3
10 11
11 9
12 7
13 23
14 61
15 11
16 3
17 91
18 137
19 7
20 11
21 31
22 93
23 17
24 9
25 273
26 51
27 397
28 9
29 99
30 41
31 111
32 129
33 111
34 801
35 109
36 131
37 297
38 37
39 621
40 21
41 807
42 143
43 87
44 57
45 231
46 187
47 53
48 169
49 77
50 613
51 867
52 41
53 199
54 773
55 523
56 227
57 27
58 499
59 171
60 329
61 67
62 483
63 393
64 179

List of values

[10, 1, 3, 3, 3, 29, 1, 3, 3, 11, 9, 7, 23, 61, 11, 3, 91, 137, 7, 11, 31, 93, 17, 9, 273, 51, 397, 9, 99, 41, 111, 129, 111, 801, 109, 131, 297, 37, 621, 21, 807, 143, 87, 57, 231, 187, 53, 169, 77, 613, 867, 41, 199, 773, 523, 227, 27, 499, 171, 329, 67, 483, 393, 179]

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

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