A235795 - cp's OEIS frontend

A235795 Triangle read by rows T(n,k) in which row n gives the trajectory of n in Collatz problem including the trajectory [1, 4, 2, 1] for n = 1.

n	a(n)
1	1
2	4
3	2
4	1
5	2
6	1
7	3
8	10
9	5
10	16
11	8
12	4
13	2
14	1
15	4
16	2
17	1
18	5
19	16
20	8
21	4
22	2
23	1
24	6
25	3
26	10
27	5
28	16
29	8
30	4
31	2
32	1
33	7
34	22
35	11
36	34
37	17
38	52
39	26
40	13
41	40
42	20
43	10
44	5
45	16
46	8
47	4
48	2
49	1
50	8
51	4
52	2
53	1
54	9
55	28
56	14
57	7
58	22
59	11
60	34
61	17
62	52
63	26
64	13
65	40
66	20
67	10
68	5
69	16
70	8
71	4
72	2
73	1
74	10
75	5
76	16
77	8
78	4
79	2
80	1
81	11
82	34
83	17
84	52
85	26
86	13

[1, 4, 2, 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

A235795 Triangle read by rows T(n,k) in which row n gives the trajectory of n in Collatz problem including the trajectory [1, 4, 2, 1] for n = 1.

Table of values

List of values

n	a(n)
1	1
2	4
3	2
4	1
5	2
6	1
7	3
8	10
9	5
10	16
11	8
12	4
13	2
14	1
15	4
16	2
17	1
18	5
19	16
20	8
21	4
22	2
23	1
24	6
25	3
26	10
27	5
28	16
29	8
30	4
31	2
32	1
33	7
34	22
35	11
36	34
37	17
38	52
39	26
40	13
41	40
42	20
43	10
44	5
45	16
46	8
47	4
48	2
49	1
50	8
51	4
52	2
53	1
54	9
55	28
56	14
57	7
58	22
59	11
60	34
61	17
62	52
63	26
64	13
65	40
66	20
67	10
68	5
69	16
70	8
71	4
72	2
73	1
74	10
75	5
76	16
77	8
78	4
79	2
80	1
81	11
82	34
83	17
84	52
85	26
86	13

n	a(n)
1	1
2	4
3	2
4	1
5	2
6	1
7	3
8	10
9	5
10	16
11	8
12	4
13	2
14	1
15	4
16	2
17	1
18	5
19	16
20	8
21	4
22	2
23	1
24	6
25	3
26	10
27	5
28	16
29	8
30	4
31	2
32	1
33	7
34	22
35	11
36	34
37	17
38	52
39	26
40	13
41	40
42	20
43	10
44	5
45	16
46	8
47	4
48	2
49	1
50	8
51	4
52	2
53	1
54	9
55	28
56	14
57	7
58	22
59	11
60	34
61	17
62	52
63	26
64	13
65	40
66	20
67	10
68	5
69	16
70	8
71	4
72	2
73	1
74	10
75	5
76	16
77	8
78	4
79	2
80	1
81	11
82	34
83	17
84	52
85	26
86	13

n	a(n)
1	1
2	4
3	2
4	1
5	2
6	1
7	3
8	10
9	5
10	16
11	8
12	4
13	2
14	1
15	4
16	2
17	1
18	5
19	16
20	8
21	4
22	2
23	1
24	6
25	3
26	10
27	5
28	16
29	8
30	4
31	2
32	1
33	7
34	22
35	11
36	34
37	17
38	52
39	26
40	13
41	40
42	20
43	10
44	5
45	16
46	8
47	4
48	2
49	1
50	8
51	4
52	2
53	1
54	9
55	28
56	14
57	7
58	22
59	11
60	34
61	17
62	52
63	26
64	13
65	40
66	20
67	10
68	5
69	16
70	8
71	4
72	2
73	1
74	10
75	5
76	16
77	8
78	4
79	2
80	1
81	11
82	34
83	17
84	52
85	26
86	13