A070165 - cp's OEIS frontend

A070165 Irregular triangle read by rows giving trajectory of n in Collatz problem.

n	a(n)
1	1
2	2
3	1
4	3
5	10
6	5
7	16
8	8
9	4
10	2
11	1
12	4
13	2
14	1
15	5
16	16
17	8
18	4
19	2
20	1
21	6
22	3
23	10
24	5
25	16
26	8
27	4
28	2
29	1
30	7
31	22
32	11
33	34
34	17
35	52
36	26
37	13
38	40
39	20
40	10
41	5
42	16
43	8
44	4
45	2
46	1
47	8
48	4
49	2
50	1
51	9
52	28
53	14
54	7
55	22
56	11
57	34
58	17
59	52
60	26
61	13
62	40
63	20
64	10
65	5
66	16
67	8
68	4
69	2
70	1
71	10
72	5
73	16
74	8
75	4
76	2
77	1
78	11
79	34
80	17
81	52
82	26
83	13

[1, 2, 1, 3, 10, 5, 16, 8, 4, 2, 1, 4, 2, 1, 5, 16, 8, 4, 2, 1, 6, 3, 10, 5, 16, 8, 4, 2, 1, 7, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1, 8, 4, 2, 1, 9, 28, 14, 7, 22, 11, 34, 17, 52, 26, 13, 40, 20, 10, 5, 16, 8, 4, 2, 1, 10, 5, 16, 8, 4, 2, 1, 11, 34, 17, 52, 26, 13]

cp's OEIS Frontend

A070165 Irregular triangle read by rows giving trajectory of n in Collatz problem.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	3
5	10
6	5
7	16
8	8
9	4
10	2
11	1
12	4
13	2
14	1
15	5
16	16
17	8
18	4
19	2
20	1
21	6
22	3
23	10
24	5
25	16
26	8
27	4
28	2
29	1
30	7
31	22
32	11
33	34
34	17
35	52
36	26
37	13
38	40
39	20
40	10
41	5
42	16
43	8
44	4
45	2
46	1
47	8
48	4
49	2
50	1
51	9
52	28
53	14
54	7
55	22
56	11
57	34
58	17
59	52
60	26
61	13
62	40
63	20
64	10
65	5
66	16
67	8
68	4
69	2
70	1
71	10
72	5
73	16
74	8
75	4
76	2
77	1
78	11
79	34
80	17
81	52
82	26
83	13

n	a(n)
1	1
2	2
3	1
4	3
5	10
6	5
7	16
8	8
9	4
10	2
11	1
12	4
13	2
14	1
15	5
16	16
17	8
18	4
19	2
20	1
21	6
22	3
23	10
24	5
25	16
26	8
27	4
28	2
29	1
30	7
31	22
32	11
33	34
34	17
35	52
36	26
37	13
38	40
39	20
40	10
41	5
42	16
43	8
44	4
45	2
46	1
47	8
48	4
49	2
50	1
51	9
52	28
53	14
54	7
55	22
56	11
57	34
58	17
59	52
60	26
61	13
62	40
63	20
64	10
65	5
66	16
67	8
68	4
69	2
70	1
71	10
72	5
73	16
74	8
75	4
76	2
77	1
78	11
79	34
80	17
81	52
82	26
83	13

n	a(n)
1	1
2	2
3	1
4	3
5	10
6	5
7	16
8	8
9	4
10	2
11	1
12	4
13	2
14	1
15	5
16	16
17	8
18	4
19	2
20	1
21	6
22	3
23	10
24	5
25	16
26	8
27	4
28	2
29	1
30	7
31	22
32	11
33	34
34	17
35	52
36	26
37	13
38	40
39	20
40	10
41	5
42	16
43	8
44	4
45	2
46	1
47	8
48	4
49	2
50	1
51	9
52	28
53	14
54	7
55	22
56	11
57	34
58	17
59	52
60	26
61	13
62	40
63	20
64	10
65	5
66	16
67	8
68	4
69	2
70	1
71	10
72	5
73	16
74	8
75	4
76	2
77	1
78	11
79	34
80	17
81	52
82	26
83	13