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.

A091010 Numbers having no divisor d such that also d-x and d+x are divisors for some x.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 7
7 8
8 9
9 10
10 11
11 13
12 14
13 16
14 17
15 19
16 20
17 21
18 22
19 23
20 25
21 26
22 27
23 29
24 31
25 32
26 33
27 34
28 35
29 37
30 38
31 39
32 41
33 43
34 44
35 46
36 47
37 49
38 50
39 51
40 52
41 53
42 55
43 57
44 58
45 59
46 61
47 62
48 63
49 64
50 65
51 67
52 68
53 69
54 70
55 71
56 73
57 74
58 76
59 77
60 79
61 81
62 82
63 83
64 85
65 86
66 87
67 88
68 89
69 92
70 93
71 94

List of values

[1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 16, 17, 19, 20, 21, 22, 23, 25, 26, 27, 29, 31, 32, 33, 34, 35, 37, 38, 39, 41, 43, 44, 46, 47, 49, 50, 51, 52, 53, 55, 57, 58, 59, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71, 73, 74, 76, 77, 79, 81, 82, 83, 85, 86, 87, 88, 89, 92, 93, 94]

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

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