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.

A105882 Nonprimes of the form r(r(n)+1)+1, where A141468(n)=r(n)=n-th nonprime.

Table of values

n a(n)
1 1
2 9
3 15
4 16
5 21
6 25
7 26
8 28
9 33
10 34
11 36
12 39
13 40
14 45
15 49
16 50
17 51
18 52
19 55
20 56
21 57
22 63
23 64
24 65
25 69
26 70
27 76
28 77
29 78
30 81
31 86
32 87
33 88
34 91
35 93
36 94
37 95
38 100
39 105
40 106
41 111
42 112
43 115
44 116
45 117
46 118
47 119
48 121
49 122
50 123
51 124
52 125
53 126
54 130
55 133
56 135
57 141
58 143
59 145
60 146
61 147
62 153

List of values

[1, 9, 15, 16, 21, 25, 26, 28, 33, 34, 36, 39, 40, 45, 49, 50, 51, 52, 55, 56, 57, 63, 64, 65, 69, 70, 76, 77, 78, 81, 86, 87, 88, 91, 93, 94, 95, 100, 105, 106, 111, 112, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125, 126, 130, 133, 135, 141, 143, 145, 146, 147, 153]

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

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