A375782 - cp's OEIS frontend

A375782 The 2-adic valuation of the result, starting from n, of Collatz steps x -> (3x+1)/2 while odd.

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

[1, 1, 3, 2, 3, 1, 1, 3, 1, 1, 1, 2, 2, 1, 4, 4, 1, 1, 2, 2, 5, 1, 4, 3, 1, 1, 1, 2, 2, 1, 1, 5, 1, 1, 4, 2, 3, 1, 1, 3, 1, 1, 1, 2, 2, 1, 1, 4, 1, 1, 2, 2, 4, 1, 2, 3, 1, 1, 1, 2, 2, 1, 3, 6, 1, 1, 3, 2, 3, 1, 1, 3, 1, 1, 1, 2, 2, 1, 2, 4, 1, 1, 2, 2, 7, 1, 3]

cp's OEIS Frontend

A375782 The 2-adic valuation of the result, starting from n, of Collatz steps x -> (3x+1)/2 while odd.

Table of values

List of values

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

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

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