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.

A138751 a(n) = nextprime( p(n)/2 if p(n)=2 (mod 3), 2p(n) else ) = A007918( A138750( A000040( n ))).

Table of values

n a(n)
1 2
2 7
3 3
4 17
5 7
6 29
7 11
8 41
9 13
10 17
11 67
12 79
13 23
14 89
15 29
16 29
17 31
18 127
19 137
20 37
21 149
22 163
23 43
24 47
25 197
26 53
27 211
28 59
29 223
30 59
31 257
32 67
33 71
34 281
35 79
36 307
37 317
38 331
39 89
40 89
41 97
42 367
43 97
44 389
45 101
46 401
47 431
48 449
49 127
50 461
51 127
52 127
53 487
54 127
55 131
56 137
57 137
58 547
59 557
60 149

List of values

[2, 7, 3, 17, 7, 29, 11, 41, 13, 17, 67, 79, 23, 89, 29, 29, 31, 127, 137, 37, 149, 163, 43, 47, 197, 53, 211, 59, 223, 59, 257, 67, 71, 281, 79, 307, 317, 331, 89, 89, 97, 367, 97, 389, 101, 401, 431, 449, 127, 461, 127, 127, 487, 127, 131, 137, 137, 547, 557, 149]

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

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