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.

A216815 Primes congruent to 1 or 9 mod 20.

Table of values

n a(n)
1 29
2 41
3 61
4 89
5 101
6 109
7 149
8 181
9 229
10 241
11 269
12 281
13 349
14 389
15 401
16 409
17 421
18 449
19 461
20 509
21 521
22 541
23 569
24 601
25 641
26 661
27 701
28 709
29 761
30 769
31 809
32 821
33 829
34 881
35 929
36 941
37 1009
38 1021
39 1049
40 1061
41 1069
42 1109
43 1129
44 1181
45 1201
46 1229
47 1249
48 1289
49 1301
50 1321
51 1361
52 1381
53 1409
54 1429
55 1481
56 1489
57 1549
58 1601
59 1609
60 1621
61 1669
62 1709
63 1721
64 1741
65 1789
66 1801
67 1861

List of values

[29, 41, 61, 89, 101, 109, 149, 181, 229, 241, 269, 281, 349, 389, 401, 409, 421, 449, 461, 509, 521, 541, 569, 601, 641, 661, 701, 709, 761, 769, 809, 821, 829, 881, 929, 941, 1009, 1021, 1049, 1061, 1069, 1109, 1129, 1181, 1201, 1229, 1249, 1289, 1301, 1321, 1361, 1381, 1409, 1429, 1481, 1489, 1549, 1601, 1609, 1621, 1669, 1709, 1721, 1741, 1789, 1801, 1861]