A105730 - cp's OEIS frontend

A105730 Number of different initial values for 3x+1 trajectories in which the largest term appearing in the iteration is 2^(6n+4).

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

[6, 12, 8, 6, 13, 8, 6, 9, 11, 6, 21, 8, 6, 78, 8, 6, 9, 13, 6, 15, 8, 6, 16, 8, 6, 9, 20, 6, 12, 8, 6, 13, 8, 6, 9, 11, 6, 14, 8, 6, 32, 8, 6, 9, 32, 6, 23, 8, 6, 24, 8, 6, 9, 14, 6, 12, 8, 6, 13, 8, 6, 9, 11, 6, 14, 8, 6, 19, 8, 6, 9, 13, 6, 80, 8, 6, 29, 8, 6, 9, 18, 6, 12, 8, 6, 13, 8, 6, 9, 11]

cp's OEIS Frontend

A105730 Number of different initial values for 3x+1 trajectories in which the largest term appearing in the iteration is 2^(6n+4).

Table of values

List of values

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

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

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