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.

A002313 Primes congruent to 1 or 2 modulo 4; or, primes of form x^2 + y^2; or, -1 is a square mod p.

Table of values

n a(n)
1 2
2 5
3 13
4 17
5 29
6 37
7 41
8 53
9 61
10 73
11 89
12 97
13 101
14 109
15 113
16 137
17 149
18 157
19 173
20 181
21 193
22 197
23 229
24 233
25 241
26 257
27 269
28 277
29 281
30 293
31 313
32 317
33 337
34 349
35 353
36 373
37 389
38 397
39 401
40 409
41 421
42 433
43 449
44 457
45 461
46 509
47 521
48 541
49 557
50 569
51 577
52 593
53 601
54 613
55 617

List of values

[2, 5, 13, 17, 29, 37, 41, 53, 61, 73, 89, 97, 101, 109, 113, 137, 149, 157, 173, 181, 193, 197, 229, 233, 241, 257, 269, 277, 281, 293, 313, 317, 337, 349, 353, 373, 389, 397, 401, 409, 421, 433, 449, 457, 461, 509, 521, 541, 557, 569, 577, 593, 601, 613, 617]