A271479 - cp's OEIS frontend

A271479 Number of steps for the trajectory of n under the map k -> A271478(k) to reach 1.

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

[0, 1, 4, 2, 7, 5, 5, 3, 10, 8, 8, 6, 8, 6, 6, 4, 13, 11, 11, 9, 11, 9, 9, 7, 11, 9, 9, 7, 9, 7, 7, 5, 16, 14, 14, 12, 14, 12, 12, 10, 14, 12, 12, 10, 12, 10, 10, 8, 14, 12, 12, 10, 12, 10, 10, 8, 12, 10, 10, 8, 10, 8, 8, 6, 19, 17, 17, 15, 17, 15, 15, 13, 17, 15, 15, 13, 15, 13]

cp's OEIS Frontend

A271479 Number of steps for the trajectory of n under the map k -> A271478(k) to reach 1.

Table of values

List of values

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

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

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