A372362 - cp's OEIS frontend

A372362 a(n) is the 2-adic valuation of 1 + 3*{the n-th iterate of 27 with Reduced Collatz-function R}.

n	a(n)
0	1
1	2
2	1
3	1
4	1
5	1
6	2
7	2
8	1
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	2
17	3
18	1
19	1
20	2
21	1
22	2
23	1
24	1
25	1
26	1
27	1
28	3
29	1
30	1
31	1
32	4
33	2
34	2
35	4
36	3
37	1
38	1
39	5
40	4
41	2
42	2
43	2
44	2
45	2
46	2
47	2
48	2
49	2
50	2
51	2
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	2
91	2
92	2
93	2
94	2
95	2
96	2
97	2
98	2
99	2
100	2
101	2
102	2
103	2
104	2
105	2

[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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A372362 a(n) is the 2-adic valuation of 1 + 3*{the n-th iterate of 27 with Reduced Collatz-function R}.

Table of values

List of values

n	a(n)
0	1
1	2
2	1
3	1
4	1
5	1
6	2
7	2
8	1
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	2
17	3
18	1
19	1
20	2
21	1
22	2
23	1
24	1
25	1
26	1
27	1
28	3
29	1
30	1
31	1
32	4
33	2
34	2
35	4
36	3
37	1
38	1
39	5
40	4
41	2
42	2
43	2
44	2
45	2
46	2
47	2
48	2
49	2
50	2
51	2
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	2
91	2
92	2
93	2
94	2
95	2
96	2
97	2
98	2
99	2
100	2
101	2
102	2
103	2
104	2
105	2

n	a(n)
0	1
1	2
2	1
3	1
4	1
5	1
6	2
7	2
8	1
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	2
17	3
18	1
19	1
20	2
21	1
22	2
23	1
24	1
25	1
26	1
27	1
28	3
29	1
30	1
31	1
32	4
33	2
34	2
35	4
36	3
37	1
38	1
39	5
40	4
41	2
42	2
43	2
44	2
45	2
46	2
47	2
48	2
49	2
50	2
51	2
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	2
91	2
92	2
93	2
94	2
95	2
96	2
97	2
98	2
99	2
100	2
101	2
102	2
103	2
104	2
105	2

n	a(n)
0	1
1	2
2	1
3	1
4	1
5	1
6	2
7	2
8	1
9	2
10	1
11	1
12	2
13	1
14	1
15	1
16	2
17	3
18	1
19	1
20	2
21	1
22	2
23	1
24	1
25	1
26	1
27	1
28	3
29	1
30	1
31	1
32	4
33	2
34	2
35	4
36	3
37	1
38	1
39	5
40	4
41	2
42	2
43	2
44	2
45	2
46	2
47	2
48	2
49	2
50	2
51	2
52	2
53	2
54	2
55	2
56	2
57	2
58	2
59	2
60	2
61	2
62	2
63	2
64	2
65	2
66	2
67	2
68	2
69	2
70	2
71	2
72	2
73	2
74	2
75	2
76	2
77	2
78	2
79	2
80	2
81	2
82	2
83	2
84	2
85	2
86	2
87	2
88	2
89	2
90	2
91	2
92	2
93	2
94	2
95	2
96	2
97	2
98	2
99	2
100	2
101	2
102	2
103	2
104	2
105	2