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.

A075025 Numbers k such that d(k) < d(k-1) and d(k) < d(k+1), where d(k) is the number of divisors of k.

Table of values

n a(n)
1 5
2 7
3 9
4 11
5 13
6 17
7 19
8 23
9 25
10 29
11 31
12 37
13 41
14 43
15 47
16 49
17 51
18 53
19 55
20 59
21 61
22 65
23 67
24 69
25 71
26 73
27 77
28 79
29 83
30 89
31 91
32 97
33 101
34 103
35 107
36 109
37 111
38 113
39 115
40 121
41 125
42 127
43 129
44 131
45 137
46 139
47 149
48 151
49 153
50 155
51 157
52 161
53 163
54 167
55 169
56 173
57 175
58 179
59 181
60 183

List of values

[5, 7, 9, 11, 13, 17, 19, 23, 25, 29, 31, 37, 41, 43, 47, 49, 51, 53, 55, 59, 61, 65, 67, 69, 71, 73, 77, 79, 83, 89, 91, 97, 101, 103, 107, 109, 111, 113, 115, 121, 125, 127, 129, 131, 137, 139, 149, 151, 153, 155, 157, 161, 163, 167, 169, 173, 175, 179, 181, 183]

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

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