A352895 - cp's OEIS frontend

A352895 The maximum binary weight of those elements of the Collatz orbit of n that follow after the term n itself, when iterated down to 1, or -1 if 1 is never reached.

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	2
7	3
8	1
9	3
10	2
11	3
12	2
13	2
14	3
15	4
16	1
17	3
18	3
19	4
20	2
21	1
22	3
23	4
24	2
25	4
26	3
27	8
28	3
29	3
30	4
31	8
32	1
33	4
34	3
35	4
36	3
37	3
38	4
39	5
40	2
41	8
42	3
43	3
44	3
45	3
46	4
47	8
48	2
49	3
50	4
51	4
52	3
53	2
54	8
55	8
56	3
57	4
58	4
59	4
60	4
61	4
62	8
63	8
64	1
65	3
66	4
67	4
68	3
69	3
70	4
71	8
72	3
73	8
74	3
75	4
76	4
77	4
78	5
79	6
80	2
81	5
82	8
83	8
84	3
85	1
86	4
87	4
88	3
89	4
90	4
91	8
92	4
93	4
94	8
95	8
96	2
97	8
98	3
99	4
100	4
101	4
102	4
103	8
104	3
105	6

[1, 1, 2, 1, 1, 2, 3, 1, 3, 2, 3, 2, 2, 3, 4, 1, 3, 3, 4, 2, 1, 3, 4, 2, 4, 3, 8, 3, 3, 4, 8, 1, 4, 3, 4, 3, 3, 4, 5, 2, 8, 3, 3, 3, 3, 4, 8, 2, 3, 4, 4, 3, 2, 8, 8, 3, 4, 4, 4, 4, 4, 8, 8, 1, 3, 4, 4, 3, 3, 4, 8, 3, 8, 3, 4, 4, 4, 5, 6, 2, 5, 8, 8, 3, 1, 4, 4, 3, 4, 4, 8, 4, 4, 8, 8, 2, 8, 3, 4, 4, 4, 4, 8, 3, 6]

cp's OEIS Frontend

A352895 The maximum binary weight of those elements of the Collatz orbit of n that follow after the term n itself, when iterated down to 1, or -1 if 1 is never reached.

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	2
7	3
8	1
9	3
10	2
11	3
12	2
13	2
14	3
15	4
16	1
17	3
18	3
19	4
20	2
21	1
22	3
23	4
24	2
25	4
26	3
27	8
28	3
29	3
30	4
31	8
32	1
33	4
34	3
35	4
36	3
37	3
38	4
39	5
40	2
41	8
42	3
43	3
44	3
45	3
46	4
47	8
48	2
49	3
50	4
51	4
52	3
53	2
54	8
55	8
56	3
57	4
58	4
59	4
60	4
61	4
62	8
63	8
64	1
65	3
66	4
67	4
68	3
69	3
70	4
71	8
72	3
73	8
74	3
75	4
76	4
77	4
78	5
79	6
80	2
81	5
82	8
83	8
84	3
85	1
86	4
87	4
88	3
89	4
90	4
91	8
92	4
93	4
94	8
95	8
96	2
97	8
98	3
99	4
100	4
101	4
102	4
103	8
104	3
105	6

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	2
7	3
8	1
9	3
10	2
11	3
12	2
13	2
14	3
15	4
16	1
17	3
18	3
19	4
20	2
21	1
22	3
23	4
24	2
25	4
26	3
27	8
28	3
29	3
30	4
31	8
32	1
33	4
34	3
35	4
36	3
37	3
38	4
39	5
40	2
41	8
42	3
43	3
44	3
45	3
46	4
47	8
48	2
49	3
50	4
51	4
52	3
53	2
54	8
55	8
56	3
57	4
58	4
59	4
60	4
61	4
62	8
63	8
64	1
65	3
66	4
67	4
68	3
69	3
70	4
71	8
72	3
73	8
74	3
75	4
76	4
77	4
78	5
79	6
80	2
81	5
82	8
83	8
84	3
85	1
86	4
87	4
88	3
89	4
90	4
91	8
92	4
93	4
94	8
95	8
96	2
97	8
98	3
99	4
100	4
101	4
102	4
103	8
104	3
105	6

n	a(n)
1	1
2	1
3	2
4	1
5	1
6	2
7	3
8	1
9	3
10	2
11	3
12	2
13	2
14	3
15	4
16	1
17	3
18	3
19	4
20	2
21	1
22	3
23	4
24	2
25	4
26	3
27	8
28	3
29	3
30	4
31	8
32	1
33	4
34	3
35	4
36	3
37	3
38	4
39	5
40	2
41	8
42	3
43	3
44	3
45	3
46	4
47	8
48	2
49	3
50	4
51	4
52	3
53	2
54	8
55	8
56	3
57	4
58	4
59	4
60	4
61	4
62	8
63	8
64	1
65	3
66	4
67	4
68	3
69	3
70	4
71	8
72	3
73	8
74	3
75	4
76	4
77	4
78	5
79	6
80	2
81	5
82	8
83	8
84	3
85	1
86	4
87	4
88	3
89	4
90	4
91	8
92	4
93	4
94	8
95	8
96	2
97	8
98	3
99	4
100	4
101	4
102	4
103	8
104	3
105	6