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.

A229991 Numbers for which A061214(n) - 1 is prime, where A061214(n) = product of composite numbers between prime(n) and prime(n+1) .

Table of values

n a(n)
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 13
13 14
14 17
15 19
16 20
17 22
18 26
19 28
20 29
21 33
22 34
23 35
24 41
25 43
26 45
27 49
28 52
29 55
30 56
31 57
32 60
33 61
34 64
35 69
36 72
37 75
38 81
39 83
40 85
41 86
42 89
43 90
44 91
45 93
46 94
47 98
48 104
49 105
50 109
51 113
52 116
53 120
54 122
55 123
56 124
57 129
58 134
59 138
60 139
61 140
62 142
63 143

List of values

[2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 17, 19, 20, 22, 26, 28, 29, 33, 34, 35, 41, 43, 45, 49, 52, 55, 56, 57, 60, 61, 64, 69, 72, 75, 81, 83, 85, 86, 89, 90, 91, 93, 94, 98, 104, 105, 109, 113, 116, 120, 122, 123, 124, 129, 134, 138, 139, 140, 142, 143]

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

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