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.

A075323 Pair the odd primes so that the n-th pair is (p, p+2n) where p is the smallest prime not included earlier such that p and p+2n are primes and p+2n also does not occur earlier: (3, 5), (7, 11), (13, 19), (23, 31), (37, 47), (17, 29), ... This lists the successive pairs in order.

Table of values

n a(n)
1 3
2 5
3 7
4 11
5 13
6 19
7 23
8 31
9 37
10 47
11 17
12 29
13 53
14 67
15 43
16 59
17 61
18 79
19 83
20 103
21 109
22 131
23 73
24 97
25 101
26 127
27 139
28 167
29 41
30 71
31 149
32 181
33 157
34 191
35 137
36 173
37 113
38 151
39 193
40 233
41 197
42 239
43 179
44 223
45 211
46 257
47 229
48 277
49 263
50 313
51 199

List of values

[3, 5, 7, 11, 13, 19, 23, 31, 37, 47, 17, 29, 53, 67, 43, 59, 61, 79, 83, 103, 109, 131, 73, 97, 101, 127, 139, 167, 41, 71, 149, 181, 157, 191, 137, 173, 113, 151, 193, 233, 197, 239, 179, 223, 211, 257, 229, 277, 263, 313, 199]

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

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