A153727 - cp's OEIS frontend

A153727 Period 3: repeat [1, 4, 2] ; Trajectory of 3x+1 sequence starting at 1.

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

[1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2]

cp's OEIS Frontend

A153727 Period 3: repeat [1, 4, 2] ; Trajectory of 3x+1 sequence starting at 1.

Table of values

List of values

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

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

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