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.

A107664 The first member p of a triple (p,q,r) of consecutive primes such that a solution to p/q < r/s < q/r or p/q > r/s > q/r with s prime exists.

Table of values

n a(n)
1 3
2 5
3 7
4 13
5 23
6 29
7 31
8 37
9 43
10 53
11 59
12 71
13 73
14 89
15 97
16 103
17 109
18 113
19 137
20 139
21 149
22 157
23 163
24 179
25 181
26 197
27 211
28 223
29 239
30 263
31 269
32 293
33 307
34 313
35 317
36 337
37 373
38 389
39 409
40 419
41 421
42 431
43 433
44 449
45 457
46 463
47 467
48 479
49 491
50 521
51 523
52 547
53 563
54 577
55 593
56 599

List of values

[3, 5, 7, 13, 23, 29, 31, 37, 43, 53, 59, 71, 73, 89, 97, 103, 109, 113, 137, 139, 149, 157, 163, 179, 181, 197, 211, 223, 239, 263, 269, 293, 307, 313, 317, 337, 373, 389, 409, 419, 421, 431, 433, 449, 457, 463, 467, 479, 491, 521, 523, 547, 563, 577, 593, 599]

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

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