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.

A074214 Integers m such that F(m) and F(2m) have the same largest prime factor where F(k) denotes the k-th Fibonacci number.

Table of values

n a(n)
1 3
2 15
3 21
4 23
5 25
6 29
7 33
8 35
9 39
10 43
11 45
12 51
13 55
14 59
15 63
16 65
17 75
18 82
19 83
20 85
21 87
22 93
23 99
24 105
25 107
26 109
27 111
28 115
29 119
30 123
31 125
32 127
33 131
34 132
35 133
36 135
37 137
38 139
39 142
40 143
41 145
42 147
43 151
44 153
45 158
46 161
47 166
48 171
49 173
50 175
51 179
52 181
53 183
54 185
55 187
56 189
57 191

List of values

[3, 15, 21, 23, 25, 29, 33, 35, 39, 43, 45, 51, 55, 59, 63, 65, 75, 82, 83, 85, 87, 93, 99, 105, 107, 109, 111, 115, 119, 123, 125, 127, 131, 132, 133, 135, 137, 139, 142, 143, 145, 147, 151, 153, 158, 161, 166, 171, 173, 175, 179, 181, 183, 185, 187, 189, 191]

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

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