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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.

A111745 a(2k-1) = k-th prime congruent to 3 mod 4, a(2k) = k-th prime congruent to 1 mod 4.

Table of values

n a(n)
1 3
2 5
3 7
4 13
5 11
6 17
7 19
8 29
9 23
10 37
11 31
12 41
13 43
14 53
15 47
16 61
17 59
18 73
19 67
20 89
21 71
22 97
23 79
24 101
25 83
26 109
27 103
28 113
29 107
30 137
31 127
32 149
33 131
34 157
35 139
36 173
37 151
38 181
39 163
40 193
41 167
42 197
43 179
44 229
45 191
46 233
47 199
48 241
49 211
50 257
51 223
52 269
53 227
54 277
55 239
56 281
57 251
58 293
59 263

List of values

[3, 5, 7, 13, 11, 17, 19, 29, 23, 37, 31, 41, 43, 53, 47, 61, 59, 73, 67, 89, 71, 97, 79, 101, 83, 109, 103, 113, 107, 137, 127, 149, 131, 157, 139, 173, 151, 181, 163, 193, 167, 197, 179, 229, 191, 233, 199, 241, 211, 257, 223, 269, 227, 277, 239, 281, 251, 293, 263]

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

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