A092892 - cp's OEIS frontend

A092892 Smallest starting value in a Collatz '3x+1' sequence such that the sequence contains exactly n halving steps.

n	a(n)
0	1
1	2
2	4
3	8
4	5
5	3
6	6
7	12
8	24
9	17
10	11
11	7
12	14
13	9
14	18
15	36
16	25
17	49
18	33
19	65
20	43
21	86
22	57
23	39
24	78
25	153
26	105
27	203
28	135
29	270
30	185
31	123
32	246
33	169
34	329
35	219
36	159
37	295
38	569
39	379
40	283
41	505
42	377
43	251
44	167
45	111
46	222
47	444
48	297
49	593
50	395
51	263
52	175
53	350
54	233
55	155
56	103
57	206
58	137
59	91
60	182

[1, 2, 4, 8, 5, 3, 6, 12, 24, 17, 11, 7, 14, 9, 18, 36, 25, 49, 33, 65, 43, 86, 57, 39, 78, 153, 105, 203, 135, 270, 185, 123, 246, 169, 329, 219, 159, 295, 569, 379, 283, 505, 377, 251, 167, 111, 222, 444, 297, 593, 395, 263, 175, 350, 233, 155, 103, 206, 137, 91, 182]

cp's OEIS Frontend

A092892 Smallest starting value in a Collatz '3x+1' sequence such that the sequence contains exactly n halving steps.

Table of values

List of values

n	a(n)
0	1
1	2
2	4
3	8
4	5
5	3
6	6
7	12
8	24
9	17
10	11
11	7
12	14
13	9
14	18
15	36
16	25
17	49
18	33
19	65
20	43
21	86
22	57
23	39
24	78
25	153
26	105
27	203
28	135
29	270
30	185
31	123
32	246
33	169
34	329
35	219
36	159
37	295
38	569
39	379
40	283
41	505
42	377
43	251
44	167
45	111
46	222
47	444
48	297
49	593
50	395
51	263
52	175
53	350
54	233
55	155
56	103
57	206
58	137
59	91
60	182

n	a(n)
0	1
1	2
2	4
3	8
4	5
5	3
6	6
7	12
8	24
9	17
10	11
11	7
12	14
13	9
14	18
15	36
16	25
17	49
18	33
19	65
20	43
21	86
22	57
23	39
24	78
25	153
26	105
27	203
28	135
29	270
30	185
31	123
32	246
33	169
34	329
35	219
36	159
37	295
38	569
39	379
40	283
41	505
42	377
43	251
44	167
45	111
46	222
47	444
48	297
49	593
50	395
51	263
52	175
53	350
54	233
55	155
56	103
57	206
58	137
59	91
60	182

n	a(n)
0	1
1	2
2	4
3	8
4	5
5	3
6	6
7	12
8	24
9	17
10	11
11	7
12	14
13	9
14	18
15	36
16	25
17	49
18	33
19	65
20	43
21	86
22	57
23	39
24	78
25	153
26	105
27	203
28	135
29	270
30	185
31	123
32	246
33	169
34	329
35	219
36	159
37	295
38	569
39	379
40	283
41	505
42	377
43	251
44	167
45	111
46	222
47	444
48	297
49	593
50	395
51	263
52	175
53	350
54	233
55	155
56	103
57	206
58	137
59	91
60	182