A074474 - cp's OEIS frontend

A074474 Number of iteration that first becomes smaller than the initial value if Collatz-function (A006370) is iterated, starting with numbers of form 4n+3.

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

[7, 12, 9, 12, 7, 9, 97, 92, 7, 14, 9, 89, 7, 9, 12, 89, 7, 84, 9, 14, 7, 9, 74, 14, 7, 69, 9, 51, 7, 9, 14, 25, 7, 12, 9, 12, 7, 9, 66, 35, 7, 48, 9, 14, 7, 9, 12, 22, 7, 14, 9, 22, 7, 9, 14, 51, 7, 20, 9, 33, 7, 9, 45, 22, 7, 12, 9, 12, 7, 9, 40, 17, 7, 14, 9, 22, 7, 9, 12, 35, 7, 35, 9, 14]

cp's OEIS Frontend

A074474 Number of iteration that first becomes smaller than the initial value if Collatz-function (A006370) is iterated, starting with numbers of form 4n+3.

Table of values

List of values

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

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

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