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.

A139513 Primes congruent to {1, 3, 7, 9} mod 20.

Table of values

n a(n)
1 3
2 7
3 23
4 29
5 41
6 43
7 47
8 61
9 67
10 83
11 89
12 101
13 103
14 107
15 109
16 127
17 149
18 163
19 167
20 181
21 223
22 227
23 229
24 241
25 263
26 269
27 281
28 283
29 307
30 347
31 349
32 367
33 383
34 389
35 401
36 409
37 421
38 443
39 449
40 461
41 463
42 467
43 487
44 503
45 509
46 521
47 523
48 541
49 547
50 563
51 569
52 587
53 601
54 607
55 641

List of values

[3, 7, 23, 29, 41, 43, 47, 61, 67, 83, 89, 101, 103, 107, 109, 127, 149, 163, 167, 181, 223, 227, 229, 241, 263, 269, 281, 283, 307, 347, 349, 367, 383, 389, 401, 409, 421, 443, 449, 461, 463, 467, 487, 503, 509, 521, 523, 541, 547, 563, 569, 587, 601, 607, 641]