A222600 - cp's OEIS frontend

A222600 Least number k such that the difference between the number of halving and tripling steps in the Collatz (3x+1) iteration is n.

n	a(n)
0	1
1	2
2	4
3	3
4	6
5	12
6	7
7	9
8	18
9	25
10	33
11	43
12	39
13	78
14	105
15	135
16	123
17	169
18	159
19	295
20	283
21	111
22	222
23	297
24	175
25	103
26	91
27	121
28	31
29	27
30	54
31	73
32	97
33	129
34	171
35	231
36	313
37	411
38	543
39	327
40	649
41	859
42	763
43	1017
44	1351
45	1215
46	703
47	937
48	871
49	1161
50	2223
51	3097
52	2631
53	3567
54	3175
55	4233

[1, 2, 4, 3, 6, 12, 7, 9, 18, 25, 33, 43, 39, 78, 105, 135, 123, 169, 159, 295, 283, 111, 222, 297, 175, 103, 91, 121, 31, 27, 54, 73, 97, 129, 171, 231, 313, 411, 543, 327, 649, 859, 763, 1017, 1351, 1215, 703, 937, 871, 1161, 2223, 3097, 2631, 3567, 3175, 4233]

cp's OEIS Frontend

A222600 Least number k such that the difference between the number of halving and tripling steps in the Collatz (3x+1) iteration is n.

Table of values

List of values