A351122 - cp's OEIS frontend

A351122 Irregular triangle read by rows in which row n lists the number of divisions by 2 after tripling steps in the Collatz 3x+1 trajectory of 2n+1 until it reaches 1.

n	a(n)
1	1
2	4
3	4
4	1
5	1
6	2
7	3
8	4
9	2
10	1
11	1
12	2
13	3
14	4
15	1
16	2
17	3
18	4
19	3
20	4
21	1
22	1
23	1
24	5
25	4
26	2
27	3
28	4
29	1
30	3
31	1
32	2
33	3
34	4
35	6
36	1
37	1
38	5
39	4
40	2
41	1
42	3
43	1
44	2
45	3
46	4
47	1
48	2
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	2
57	1
58	1
59	2
60	1
61	1
62	1
63	2
64	3
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	1
75	3
76	1
77	1
78	1
79	4
80	2
81	2
82	4
83	3
84	1
85	1
86	5
87	4
88	3
89	1
90	2
91	3
92	4

[1, 4, 4, 1, 1, 2, 3, 4, 2, 1, 1, 2, 3, 4, 1, 2, 3, 4, 3, 4, 1, 1, 1, 5, 4, 2, 3, 4, 1, 3, 1, 2, 3, 4, 6, 1, 1, 5, 4, 2, 1, 3, 1, 2, 3, 4, 1, 2, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 2, 1, 1, 1, 2, 3, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 3, 1, 1, 1, 4, 2, 2, 4, 3, 1, 1, 5, 4, 3, 1, 2, 3, 4]

cp's OEIS Frontend

A351122 Irregular triangle read by rows in which row n lists the number of divisions by 2 after tripling steps in the Collatz 3x+1 trajectory of 2n+1 until it reaches 1.

Table of values

List of values

n	a(n)
1	1
2	4
3	4
4	1
5	1
6	2
7	3
8	4
9	2
10	1
11	1
12	2
13	3
14	4
15	1
16	2
17	3
18	4
19	3
20	4
21	1
22	1
23	1
24	5
25	4
26	2
27	3
28	4
29	1
30	3
31	1
32	2
33	3
34	4
35	6
36	1
37	1
38	5
39	4
40	2
41	1
42	3
43	1
44	2
45	3
46	4
47	1
48	2
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	2
57	1
58	1
59	2
60	1
61	1
62	1
63	2
64	3
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	1
75	3
76	1
77	1
78	1
79	4
80	2
81	2
82	4
83	3
84	1
85	1
86	5
87	4
88	3
89	1
90	2
91	3
92	4

n	a(n)
1	1
2	4
3	4
4	1
5	1
6	2
7	3
8	4
9	2
10	1
11	1
12	2
13	3
14	4
15	1
16	2
17	3
18	4
19	3
20	4
21	1
22	1
23	1
24	5
25	4
26	2
27	3
28	4
29	1
30	3
31	1
32	2
33	3
34	4
35	6
36	1
37	1
38	5
39	4
40	2
41	1
42	3
43	1
44	2
45	3
46	4
47	1
48	2
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	2
57	1
58	1
59	2
60	1
61	1
62	1
63	2
64	3
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	1
75	3
76	1
77	1
78	1
79	4
80	2
81	2
82	4
83	3
84	1
85	1
86	5
87	4
88	3
89	1
90	2
91	3
92	4

n	a(n)
1	1
2	4
3	4
4	1
5	1
6	2
7	3
8	4
9	2
10	1
11	1
12	2
13	3
14	4
15	1
16	2
17	3
18	4
19	3
20	4
21	1
22	1
23	1
24	5
25	4
26	2
27	3
28	4
29	1
30	3
31	1
32	2
33	3
34	4
35	6
36	1
37	1
38	5
39	4
40	2
41	1
42	3
43	1
44	2
45	3
46	4
47	1
48	2
49	1
50	1
51	1
52	1
53	2
54	2
55	1
56	2
57	1
58	1
59	2
60	1
61	1
62	1
63	2
64	3
65	1
66	1
67	2
68	1
69	2
70	1
71	1
72	1
73	1
74	1
75	3
76	1
77	1
78	1
79	4
80	2
81	2
82	4
83	3
84	1
85	1
86	5
87	4
88	3
89	1
90	2
91	3
92	4