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.

A141560 Nonprimes of form (prime(n)-r(n)), where A141468(n)=r(n)=n-th nonprime and prime(n)=n-th prime.

Table of values

n a(n)
1 1
2 1
3 4
4 9
5 14
6 15
7 21
8 22
9 25
10 34
11 35
12 40
13 50
14 55
15 62
16 65
17 65
18 68
19 69
20 86
21 91
22 91
23 100
24 106
25 111
26 118
27 123
28 124
29 133
30 133
31 135
32 136
33 147
34 158
35 161
36 161
37 164
38 169
39 169
40 177
41 182
42 187
43 192
44 200
45 201
46 209
47 222
48 225
49 226
50 246
51 255
52 256
53 259
54 264
55 275
56 280
57 287
58 296

List of values

[1, 1, 4, 9, 14, 15, 21, 22, 25, 34, 35, 40, 50, 55, 62, 65, 65, 68, 69, 86, 91, 91, 100, 106, 111, 118, 123, 124, 133, 133, 135, 136, 147, 158, 161, 161, 164, 169, 169, 177, 182, 187, 192, 200, 201, 209, 222, 225, 226, 246, 255, 256, 259, 264, 275, 280, 287, 296]

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

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