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.

A162318 A positive integer n is included if |d(n+1)-d(n)| = 2, where d(n) is the number of divisors of n.

Table of values

n a(n)
1 5
2 6
3 7
4 10
5 13
6 20
7 22
8 27
9 32
10 37
11 45
12 46
13 50
14 51
15 58
16 61
17 62
18 68
19 73
20 74
21 76
22 82
23 91
24 92
25 106
26 115
27 117
28 123
29 124
30 146
31 152
32 153
33 157
34 164
35 166
36 170
37 174
38 178
39 187
40 188
41 193
42 206
43 212
44 226
45 235
46 236
47 245
48 261
49 262
50 267
51 272
52 274
53 277
54 278
55 284
56 291
57 313
58 325

List of values

[5, 6, 7, 10, 13, 20, 22, 27, 32, 37, 45, 46, 50, 51, 58, 61, 62, 68, 73, 74, 76, 82, 91, 92, 106, 115, 117, 123, 124, 146, 152, 153, 157, 164, 166, 170, 174, 178, 187, 188, 193, 206, 212, 226, 235, 236, 245, 261, 262, 267, 272, 274, 277, 278, 284, 291, 313, 325]

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

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