A378847 - cp's OEIS frontend

A378847 Smallest starting x which takes n tripling steps to reach the minimum of a cycle in the 3x-1 iteration.

n	a(n)
0	1
1	3
2	15
3	13
4	9
5	37
6	25
7	33
8	45
9	57
10	145
11	97
12	65
13	87
14	159
15	165
16	225
17	273
18	391
19	261
20	647
21	465
22	741
23	529
24	353
25	471
26	921
27	837
28	865
29	577
30	385
31	257
32	343
33	229
34	153
35	407
36	543
37	721
38	481
39	321
40	855
41	1141
42	761
43	1015
44	677
45	903
46	1209
47	1605
48	2149
49	1433
50	1911
51	2529
52	3397
53	2265

[1, 3, 15, 13, 9, 37, 25, 33, 45, 57, 145, 97, 65, 87, 159, 165, 225, 273, 391, 261, 647, 465, 741, 529, 353, 471, 921, 837, 865, 577, 385, 257, 343, 229, 153, 407, 543, 721, 481, 321, 855, 1141, 761, 1015, 677, 903, 1209, 1605, 2149, 1433, 1911, 2529, 3397, 2265]

cp's OEIS Frontend

A378847 Smallest starting x which takes n tripling steps to reach the minimum of a cycle in the 3x-1 iteration.

Table of values

List of values