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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.

A090920 Primes of the form n followed by the least k == 1 (mod n).

Table of values

n a(n)
1 11
2 23
3 31
4 41
5 521
6 61
7 71
8 89
9 919
10 101
11 1123
12 1213
13 131
14 1429
15 151
16 1697
17 17137
18 181
19 191
20 2081
21 211
22 2267
23 2347
24 241
25 251
26 26183
27 271
28 281
29 29581
30 3061
31 311
32 32257
33 331
34 3469
35 3571
36 3637
37 37223
38 3877
39 39157
40 401
41 41411
42 421
43 431
44 44221
45 4591
46 461
47 47189

List of values

[11, 23, 31, 41, 521, 61, 71, 89, 919, 101, 1123, 1213, 131, 1429, 151, 1697, 17137, 181, 191, 2081, 211, 2267, 2347, 241, 251, 26183, 271, 281, 29581, 3061, 311, 32257, 331, 3469, 3571, 3637, 37223, 3877, 39157, 401, 41411, 421, 431, 44221, 4591, 461, 47189]

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

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