A061436 - cp's OEIS frontend

A061436 Number of steps for trajectory of n to reach 1 under the map that sends x -> x/3 if x mod 3 = 0, x -> x+3-(x mod 3) if x is not 0 mod 3 (for a 2nd time when n starts at 1).

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	3
7	3
8	3
9	2
10	6
11	6
12	5
13	6
14	6
15	5
16	5
17	5
18	4
19	5
20	5
21	4
22	5
23	5
24	4
25	4
26	4
27	3
28	8
29	8
30	7
31	8
32	8
33	7
34	7
35	7
36	6
37	8
38	8
39	7
40	8
41	8
42	7
43	7
44	7
45	6
46	7
47	7
48	6
49	7
50	7
51	6
52	6
53	6
54	5
55	7
56	7
57	6
58	7
59	7
60	6
61	6
62	6
63	5
64	7
65	7
66	6
67	7
68	7
69	6
70	6
71	6
72	5
73	6
74	6
75	5
76	6
77	6
78	5
79	5
80	5
81	4
82	10
83	10
84	9
85	10
86	10
87	9
88	9
89	9
90	8
91	10
92	10
93	9
94	10
95	10
96	9
97	9
98	9
99	8
100	9
101	9

[2, 2, 1, 4, 4, 3, 3, 3, 2, 6, 6, 5, 6, 6, 5, 5, 5, 4, 5, 5, 4, 5, 5, 4, 4, 4, 3, 8, 8, 7, 8, 8, 7, 7, 7, 6, 8, 8, 7, 8, 8, 7, 7, 7, 6, 7, 7, 6, 7, 7, 6, 6, 6, 5, 7, 7, 6, 7, 7, 6, 6, 6, 5, 7, 7, 6, 7, 7, 6, 6, 6, 5, 6, 6, 5, 6, 6, 5, 5, 5, 4, 10, 10, 9, 10, 10, 9, 9, 9, 8, 10, 10, 9, 10, 10, 9, 9, 9, 8, 9, 9]

cp's OEIS Frontend

A061436 Number of steps for trajectory of n to reach 1 under the map that sends x -> x/3 if x mod 3 = 0, x -> x+3-(x mod 3) if x is not 0 mod 3 (for a 2nd time when n starts at 1).

Table of values

List of values

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	3
7	3
8	3
9	2
10	6
11	6
12	5
13	6
14	6
15	5
16	5
17	5
18	4
19	5
20	5
21	4
22	5
23	5
24	4
25	4
26	4
27	3
28	8
29	8
30	7
31	8
32	8
33	7
34	7
35	7
36	6
37	8
38	8
39	7
40	8
41	8
42	7
43	7
44	7
45	6
46	7
47	7
48	6
49	7
50	7
51	6
52	6
53	6
54	5
55	7
56	7
57	6
58	7
59	7
60	6
61	6
62	6
63	5
64	7
65	7
66	6
67	7
68	7
69	6
70	6
71	6
72	5
73	6
74	6
75	5
76	6
77	6
78	5
79	5
80	5
81	4
82	10
83	10
84	9
85	10
86	10
87	9
88	9
89	9
90	8
91	10
92	10
93	9
94	10
95	10
96	9
97	9
98	9
99	8
100	9
101	9

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	3
7	3
8	3
9	2
10	6
11	6
12	5
13	6
14	6
15	5
16	5
17	5
18	4
19	5
20	5
21	4
22	5
23	5
24	4
25	4
26	4
27	3
28	8
29	8
30	7
31	8
32	8
33	7
34	7
35	7
36	6
37	8
38	8
39	7
40	8
41	8
42	7
43	7
44	7
45	6
46	7
47	7
48	6
49	7
50	7
51	6
52	6
53	6
54	5
55	7
56	7
57	6
58	7
59	7
60	6
61	6
62	6
63	5
64	7
65	7
66	6
67	7
68	7
69	6
70	6
71	6
72	5
73	6
74	6
75	5
76	6
77	6
78	5
79	5
80	5
81	4
82	10
83	10
84	9
85	10
86	10
87	9
88	9
89	9
90	8
91	10
92	10
93	9
94	10
95	10
96	9
97	9
98	9
99	8
100	9
101	9

n	a(n)
1	2
2	2
3	1
4	4
5	4
6	3
7	3
8	3
9	2
10	6
11	6
12	5
13	6
14	6
15	5
16	5
17	5
18	4
19	5
20	5
21	4
22	5
23	5
24	4
25	4
26	4
27	3
28	8
29	8
30	7
31	8
32	8
33	7
34	7
35	7
36	6
37	8
38	8
39	7
40	8
41	8
42	7
43	7
44	7
45	6
46	7
47	7
48	6
49	7
50	7
51	6
52	6
53	6
54	5
55	7
56	7
57	6
58	7
59	7
60	6
61	6
62	6
63	5
64	7
65	7
66	6
67	7
68	7
69	6
70	6
71	6
72	5
73	6
74	6
75	5
76	6
77	6
78	5
79	5
80	5
81	4
82	10
83	10
84	9
85	10
86	10
87	9
88	9
89	9
90	8
91	10
92	10
93	9
94	10
95	10
96	9
97	9
98	9
99	8
100	9
101	9