A076228 - cp's OEIS frontend

A076228 Number of terms k in the trajectory of the Collatz function applied to n such that k < n.

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

[0, 1, 2, 2, 3, 5, 4, 3, 6, 5, 6, 8, 6, 9, 6, 4, 8, 13, 10, 7, 5, 11, 8, 10, 13, 9, 9, 15, 13, 10, 9, 5, 16, 11, 8, 19, 17, 16, 17, 8, 12, 7, 19, 15, 13, 11, 12, 11, 19, 20, 17, 11, 9, 17, 14, 19, 23, 18, 21, 15, 13, 16, 14, 6, 22, 24, 21, 14, 12, 11, 15, 22, 18, 21, 7, 21, 19, 25, 22, 9]

cp's OEIS Frontend

A076228 Number of terms k in the trajectory of the Collatz function applied to n such that k < n.

Table of values

List of values

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

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

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