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.

A209387 a(n) = 2*A005132(n) + 1.

Table of values

n a(n)
0 1
1 3
2 7
3 13
4 5
5 15
6 27
7 41
8 25
9 43
10 23
11 45
12 21
13 47
14 19
15 49
16 17
17 51
18 87
19 125
20 85
21 127
22 83
23 37
24 85
25 35
26 87
27 33
28 89
29 31
30 91
31 29
32 93
33 159
34 227
35 157
36 229
37 155
38 79
39 157
40 77
41 159
42 75
43 161
44 73
45 163
46 71
47 165
48 69
49 167
50 67
51 169
52 65
53 171
54 63
55 173
56 61
57 175
58 59
59 177
60 57
61 179
62 55
63 181
64 53
65 183
66 315
67 449
68 313
69 451
70 311

List of values

[1, 3, 7, 13, 5, 15, 27, 41, 25, 43, 23, 45, 21, 47, 19, 49, 17, 51, 87, 125, 85, 127, 83, 37, 85, 35, 87, 33, 89, 31, 91, 29, 93, 159, 227, 157, 229, 155, 79, 157, 77, 159, 75, 161, 73, 163, 71, 165, 69, 167, 67, 169, 65, 171, 63, 173, 61, 175, 59, 177, 57, 179, 55, 181, 53, 183, 315, 449, 313, 451, 311]

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

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