A235800 - cp's OEIS frontend

A235800 Length of n-th vertical line segment from left to right in a diagram of a two-dimensional version of the 3x+1 (or Collatz) problem.

n	a(n)
1	3
2	1
3	7
4	2
5	11
6	3
7	15
8	4
9	19
10	5
11	23
12	6
13	27
14	7
15	31
16	8
17	35
18	9
19	39
20	10
21	43
22	11
23	47
24	12
25	51
26	13
27	55
28	14
29	59
30	15
31	63
32	16
33	67
34	17
35	71
36	18
37	75
38	19
39	79
40	20
41	83
42	21
43	87
44	22
45	91
46	23
47	95
48	24
49	99
50	25
51	103
52	26
53	107
54	27
55	111
56	28
57	115
58	29
59	119
60	30
61	123
62	31
63	127
64	32

[3, 1, 7, 2, 11, 3, 15, 4, 19, 5, 23, 6, 27, 7, 31, 8, 35, 9, 39, 10, 43, 11, 47, 12, 51, 13, 55, 14, 59, 15, 63, 16, 67, 17, 71, 18, 75, 19, 79, 20, 83, 21, 87, 22, 91, 23, 95, 24, 99, 25, 103, 26, 107, 27, 111, 28, 115, 29, 119, 30, 123, 31, 127, 32]

cp's OEIS Frontend

A235800 Length of n-th vertical line segment from left to right in a diagram of a two-dimensional version of the 3x+1 (or Collatz) problem.

Table of values

List of values

n	a(n)
1	3
2	1
3	7
4	2
5	11
6	3
7	15
8	4
9	19
10	5
11	23
12	6
13	27
14	7
15	31
16	8
17	35
18	9
19	39
20	10
21	43
22	11
23	47
24	12
25	51
26	13
27	55
28	14
29	59
30	15
31	63
32	16
33	67
34	17
35	71
36	18
37	75
38	19
39	79
40	20
41	83
42	21
43	87
44	22
45	91
46	23
47	95
48	24
49	99
50	25
51	103
52	26
53	107
54	27
55	111
56	28
57	115
58	29
59	119
60	30
61	123
62	31
63	127
64	32

n	a(n)
1	3
2	1
3	7
4	2
5	11
6	3
7	15
8	4
9	19
10	5
11	23
12	6
13	27
14	7
15	31
16	8
17	35
18	9
19	39
20	10
21	43
22	11
23	47
24	12
25	51
26	13
27	55
28	14
29	59
30	15
31	63
32	16
33	67
34	17
35	71
36	18
37	75
38	19
39	79
40	20
41	83
42	21
43	87
44	22
45	91
46	23
47	95
48	24
49	99
50	25
51	103
52	26
53	107
54	27
55	111
56	28
57	115
58	29
59	119
60	30
61	123
62	31
63	127
64	32

n	a(n)
1	3
2	1
3	7
4	2
5	11
6	3
7	15
8	4
9	19
10	5
11	23
12	6
13	27
14	7
15	31
16	8
17	35
18	9
19	39
20	10
21	43
22	11
23	47
24	12
25	51
26	13
27	55
28	14
29	59
30	15
31	63
32	16
33	67
34	17
35	71
36	18
37	75
38	19
39	79
40	20
41	83
42	21
43	87
44	22
45	91
46	23
47	95
48	24
49	99
50	25
51	103
52	26
53	107
54	27
55	111
56	28
57	115
58	29
59	119
60	30
61	123
62	31
63	127
64	32