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.

A258251 Numbers n for which there exists a fixed point in the Collatz (3x+1) trajectory of n.

Table of values

n a(n)
1 1
2 4
3 5
4 9
5 12
6 13
7 22
8 23
9 24
10 26
11 32
12 33
13 36
14 37
15 38
16 49
17 50
18 51
19 56
20 58
21 60
22 61
23 72
24 74
25 78
26 79
27 80
28 86
29 87
30 105
31 123
32 124
33 125
34 126
35 127
36 130
37 131
38 132
39 133
40 134
41 136
42 138
43 140
44 141
45 153
46 156
47 157
48 158
49 160
50 168
51 170
52 192
53 196
54 197
55 198
56 200
57 202
58 204
59 205
60 206
61 207
62 217
63 224
64 232
65 233
66 234
67 241
68 246
69 247
70 249

List of values

[1, 4, 5, 9, 12, 13, 22, 23, 24, 26, 32, 33, 36, 37, 38, 49, 50, 51, 56, 58, 60, 61, 72, 74, 78, 79, 80, 86, 87, 105, 123, 124, 125, 126, 127, 130, 131, 132, 133, 134, 136, 138, 140, 141, 153, 156, 157, 158, 160, 168, 170, 192, 196, 197, 198, 200, 202, 204, 205, 206, 207, 217, 224, 232, 233, 234, 241, 246, 247, 249]