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.

A226618 Irregular array read by rows in which row n lists the positive integers k in ascending order for which 1 is in a primitive cycle of n positive integers under iteration by the Collatz-like 3x+k function.

Table of values

n a(n)
1 1
2 5
3 13
4 29
5 11
6 61
7 17
8 125
9 253
10 509
11 145
12 203
13 1021
14 43
15 2045
16 55
17 4093
18 355
19 1169
20 8189
21 137
22 3275
23 16381
24 1129
25 32765
26 1007
27 5957
28 9361
29 65533
30 131069
31 97
32 52427
33 262141
34 643
35 74897
36 524285
37 41
38 1048573
39 553
40 28727
41 110375
42 2097149
43 281
44 673
45 2075
46 9731
47 34663

List of values

[1, 5, 13, 29, 11, 61, 17, 125, 253, 509, 145, 203, 1021, 43, 2045, 55, 4093, 355, 1169, 8189, 137, 3275, 16381, 1129, 32765, 1007, 5957, 9361, 65533, 131069, 97, 52427, 262141, 643, 74897, 524285, 41, 1048573, 553, 28727, 110375, 2097149, 281, 673, 2075, 9731, 34663]