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.

A372690 Numbers k such that k and k+1 are both numbers whose number of divisors is a power of 2 (A036537).

Table of values

n a(n)
1 1
2 2
3 5
4 6
5 7
6 10
7 13
8 14
9 21
10 22
11 23
12 26
13 29
14 30
15 33
16 34
17 37
18 38
19 39
20 40
21 41
22 42
23 46
24 53
25 54
26 55
27 56
28 57
29 58
30 61
31 65
32 66
33 69
34 70
35 73
36 77
37 78
38 82
39 85
40 86
41 87
42 88
43 93
44 94
45 101
46 102
47 103
48 104
49 105
50 106
51 109
52 110
53 113
54 114
55 118
56 119
57 122
58 127
59 128
60 129
61 130
62 133

List of values

[1, 2, 5, 6, 7, 10, 13, 14, 21, 22, 23, 26, 29, 30, 33, 34, 37, 38, 39, 40, 41, 42, 46, 53, 54, 55, 56, 57, 58, 61, 65, 66, 69, 70, 73, 77, 78, 82, 85, 86, 87, 88, 93, 94, 101, 102, 103, 104, 105, 106, 109, 110, 113, 114, 118, 119, 122, 127, 128, 129, 130, 133]

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

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