A112695 - cp's OEIS frontend

A112695 Number of steps needed to reach 4,2,1 in Collatz' 3*n+1 conjecture.

n	a(n)
1	1
2	2
3	5
4	0
5	3
6	6
7	14
8	1
9	17
10	4
11	12
12	7
13	7
14	15
15	15
16	2
17	10
18	18
19	18
20	5
21	5
22	13
23	13
24	8
25	21
26	8
27	109
28	16
29	16
30	16
31	104
32	3
33	24
34	11
35	11
36	19
37	19
38	19
39	32
40	6
41	107
42	6
43	27
44	14
45	14
46	14
47	102
48	9
49	22
50	22
51	22
52	9
53	9
54	110
55	110
56	17
57	30
58	17
59	30
60	17
61	17
62	105
63	105
64	4
65	25
66	25
67	25
68	12
69	12
70	12

[1, 2, 5, 0, 3, 6, 14, 1, 17, 4, 12, 7, 7, 15, 15, 2, 10, 18, 18, 5, 5, 13, 13, 8, 21, 8, 109, 16, 16, 16, 104, 3, 24, 11, 11, 19, 19, 19, 32, 6, 107, 6, 27, 14, 14, 14, 102, 9, 22, 22, 22, 9, 9, 110, 110, 17, 30, 17, 30, 17, 17, 105, 105, 4, 25, 25, 25, 12, 12, 12]

cp's OEIS Frontend

A112695 Number of steps needed to reach 4,2,1 in Collatz' 3*n+1 conjecture.

Table of values

List of values

n	a(n)
1	1
2	2
3	5
4	0
5	3
6	6
7	14
8	1
9	17
10	4
11	12
12	7
13	7
14	15
15	15
16	2
17	10
18	18
19	18
20	5
21	5
22	13
23	13
24	8
25	21
26	8
27	109
28	16
29	16
30	16
31	104
32	3
33	24
34	11
35	11
36	19
37	19
38	19
39	32
40	6
41	107
42	6
43	27
44	14
45	14
46	14
47	102
48	9
49	22
50	22
51	22
52	9
53	9
54	110
55	110
56	17
57	30
58	17
59	30
60	17
61	17
62	105
63	105
64	4
65	25
66	25
67	25
68	12
69	12
70	12

n	a(n)
1	1
2	2
3	5
4	0
5	3
6	6
7	14
8	1
9	17
10	4
11	12
12	7
13	7
14	15
15	15
16	2
17	10
18	18
19	18
20	5
21	5
22	13
23	13
24	8
25	21
26	8
27	109
28	16
29	16
30	16
31	104
32	3
33	24
34	11
35	11
36	19
37	19
38	19
39	32
40	6
41	107
42	6
43	27
44	14
45	14
46	14
47	102
48	9
49	22
50	22
51	22
52	9
53	9
54	110
55	110
56	17
57	30
58	17
59	30
60	17
61	17
62	105
63	105
64	4
65	25
66	25
67	25
68	12
69	12
70	12

n	a(n)
1	1
2	2
3	5
4	0
5	3
6	6
7	14
8	1
9	17
10	4
11	12
12	7
13	7
14	15
15	15
16	2
17	10
18	18
19	18
20	5
21	5
22	13
23	13
24	8
25	21
26	8
27	109
28	16
29	16
30	16
31	104
32	3
33	24
34	11
35	11
36	19
37	19
38	19
39	32
40	6
41	107
42	6
43	27
44	14
45	14
46	14
47	102
48	9
49	22
50	22
51	22
52	9
53	9
54	110
55	110
56	17
57	30
58	17
59	30
60	17
61	17
62	105
63	105
64	4
65	25
66	25
67	25
68	12
69	12
70	12