A075481 - cp's OEIS frontend

A075481 Number of iteration that first becomes smaller than the initial value if Collatz-function (A006370) is iterated, starting with numbers of form 64n+47. Corresponds to selection of every 16th term from A074474.

n	a(n)
0	89
1	51
2	14
3	33
4	22
5	17
6	14
7	45
8	27
9	22
10	14
11	35
12	17
13	20
14	14
15	35
16	22
17	22
18	14
19	43
20	22
21	17
22	14
23	27
24	128
25	20
26	14
27	25
28	17
29	25
30	14
31	20
32	22
33	30
34	14
35	82
36	20
37	17
38	14
39	45
40	22
41	27
42	14
43	25
44	17
45	27
46	14
47	48
48	20
49	30
50	14
51	43
52	30
53	17
54	14
55	58
56	61
57	27
58	14
59	53
60	17
61	56
62	14
63	22
64	30
65	58
66	14
67	27
68	53

[89, 51, 14, 33, 22, 17, 14, 45, 27, 22, 14, 35, 17, 20, 14, 35, 22, 22, 14, 43, 22, 17, 14, 27, 128, 20, 14, 25, 17, 25, 14, 20, 22, 30, 14, 82, 20, 17, 14, 45, 22, 27, 14, 25, 17, 27, 14, 48, 20, 30, 14, 43, 30, 17, 14, 58, 61, 27, 14, 53, 17, 56, 14, 22, 30, 58, 14, 27, 53]

cp's OEIS Frontend

A075481 Number of iteration that first becomes smaller than the initial value if Collatz-function (A006370) is iterated, starting with numbers of form 64n+47. Corresponds to selection of every 16th term from A074474.

Table of values

List of values

n	a(n)
0	89
1	51
2	14
3	33
4	22
5	17
6	14
7	45
8	27
9	22
10	14
11	35
12	17
13	20
14	14
15	35
16	22
17	22
18	14
19	43
20	22
21	17
22	14
23	27
24	128
25	20
26	14
27	25
28	17
29	25
30	14
31	20
32	22
33	30
34	14
35	82
36	20
37	17
38	14
39	45
40	22
41	27
42	14
43	25
44	17
45	27
46	14
47	48
48	20
49	30
50	14
51	43
52	30
53	17
54	14
55	58
56	61
57	27
58	14
59	53
60	17
61	56
62	14
63	22
64	30
65	58
66	14
67	27
68	53

n	a(n)
0	89
1	51
2	14
3	33
4	22
5	17
6	14
7	45
8	27
9	22
10	14
11	35
12	17
13	20
14	14
15	35
16	22
17	22
18	14
19	43
20	22
21	17
22	14
23	27
24	128
25	20
26	14
27	25
28	17
29	25
30	14
31	20
32	22
33	30
34	14
35	82
36	20
37	17
38	14
39	45
40	22
41	27
42	14
43	25
44	17
45	27
46	14
47	48
48	20
49	30
50	14
51	43
52	30
53	17
54	14
55	58
56	61
57	27
58	14
59	53
60	17
61	56
62	14
63	22
64	30
65	58
66	14
67	27
68	53

n	a(n)
0	89
1	51
2	14
3	33
4	22
5	17
6	14
7	45
8	27
9	22
10	14
11	35
12	17
13	20
14	14
15	35
16	22
17	22
18	14
19	43
20	22
21	17
22	14
23	27
24	128
25	20
26	14
27	25
28	17
29	25
30	14
31	20
32	22
33	30
34	14
35	82
36	20
37	17
38	14
39	45
40	22
41	27
42	14
43	25
44	17
45	27
46	14
47	48
48	20
49	30
50	14
51	43
52	30
53	17
54	14
55	58
56	61
57	27
58	14
59	53
60	17
61	56
62	14
63	22
64	30
65	58
66	14
67	27
68	53