A063574 - cp's OEIS frontend

A063574 Number of steps to reach an integer == 1 (mod 4) when iterating the map n -> 3n/2 if n even or (3n+1)/2 if n odd.

n	a(n)
1	0
2	2
3	1
4	2
5	0
6	1
7	2
8	4
9	0
10	4
11	1
12	3
13	0
14	1
15	3
16	4
17	0
18	2
19	1
20	2
21	0
22	1
23	2
24	3
25	0
26	3
27	1
28	7
29	0
30	1
31	4
32	6
33	0
34	2
35	1
36	2
37	0
38	1
39	2
40	5
41	0
42	6
43	1
44	3
45	0
46	1
47	3
48	5
49	0
50	2
51	1
52	2
53	0
54	1
55	2
56	3
57	0
58	3
59	1
60	4
61	0
62	1
63	5
64	6
65	0
66	2
67	1
68	2
69	0
70	1
71	2
72	4
73	0
74	4
75	1
76	3
77	0
78	1
79	3
80	4
81	0
82	2
83	1
84	2
85	0
86	1
87	2
88	3
89	0
90	3
91	1
92	5
93	0
94	1
95	4
96	5
97	0
98	2
99	1
100	2
101	0
102	1
103	2
104	7
105	0

[0, 2, 1, 2, 0, 1, 2, 4, 0, 4, 1, 3, 0, 1, 3, 4, 0, 2, 1, 2, 0, 1, 2, 3, 0, 3, 1, 7, 0, 1, 4, 6, 0, 2, 1, 2, 0, 1, 2, 5, 0, 6, 1, 3, 0, 1, 3, 5, 0, 2, 1, 2, 0, 1, 2, 3, 0, 3, 1, 4, 0, 1, 5, 6, 0, 2, 1, 2, 0, 1, 2, 4, 0, 4, 1, 3, 0, 1, 3, 4, 0, 2, 1, 2, 0, 1, 2, 3, 0, 3, 1, 5, 0, 1, 4, 5, 0, 2, 1, 2, 0, 1, 2, 7, 0]

cp's OEIS Frontend

A063574 Number of steps to reach an integer == 1 (mod 4) when iterating the map n -> 3n/2 if n even or (3n+1)/2 if n odd.

Table of values

List of values

n	a(n)
1	0
2	2
3	1
4	2
5	0
6	1
7	2
8	4
9	0
10	4
11	1
12	3
13	0
14	1
15	3
16	4
17	0
18	2
19	1
20	2
21	0
22	1
23	2
24	3
25	0
26	3
27	1
28	7
29	0
30	1
31	4
32	6
33	0
34	2
35	1
36	2
37	0
38	1
39	2
40	5
41	0
42	6
43	1
44	3
45	0
46	1
47	3
48	5
49	0
50	2
51	1
52	2
53	0
54	1
55	2
56	3
57	0
58	3
59	1
60	4
61	0
62	1
63	5
64	6
65	0
66	2
67	1
68	2
69	0
70	1
71	2
72	4
73	0
74	4
75	1
76	3
77	0
78	1
79	3
80	4
81	0
82	2
83	1
84	2
85	0
86	1
87	2
88	3
89	0
90	3
91	1
92	5
93	0
94	1
95	4
96	5
97	0
98	2
99	1
100	2
101	0
102	1
103	2
104	7
105	0

n	a(n)
1	0
2	2
3	1
4	2
5	0
6	1
7	2
8	4
9	0
10	4
11	1
12	3
13	0
14	1
15	3
16	4
17	0
18	2
19	1
20	2
21	0
22	1
23	2
24	3
25	0
26	3
27	1
28	7
29	0
30	1
31	4
32	6
33	0
34	2
35	1
36	2
37	0
38	1
39	2
40	5
41	0
42	6
43	1
44	3
45	0
46	1
47	3
48	5
49	0
50	2
51	1
52	2
53	0
54	1
55	2
56	3
57	0
58	3
59	1
60	4
61	0
62	1
63	5
64	6
65	0
66	2
67	1
68	2
69	0
70	1
71	2
72	4
73	0
74	4
75	1
76	3
77	0
78	1
79	3
80	4
81	0
82	2
83	1
84	2
85	0
86	1
87	2
88	3
89	0
90	3
91	1
92	5
93	0
94	1
95	4
96	5
97	0
98	2
99	1
100	2
101	0
102	1
103	2
104	7
105	0

n	a(n)
1	0
2	2
3	1
4	2
5	0
6	1
7	2
8	4
9	0
10	4
11	1
12	3
13	0
14	1
15	3
16	4
17	0
18	2
19	1
20	2
21	0
22	1
23	2
24	3
25	0
26	3
27	1
28	7
29	0
30	1
31	4
32	6
33	0
34	2
35	1
36	2
37	0
38	1
39	2
40	5
41	0
42	6
43	1
44	3
45	0
46	1
47	3
48	5
49	0
50	2
51	1
52	2
53	0
54	1
55	2
56	3
57	0
58	3
59	1
60	4
61	0
62	1
63	5
64	6
65	0
66	2
67	1
68	2
69	0
70	1
71	2
72	4
73	0
74	4
75	1
76	3
77	0
78	1
79	3
80	4
81	0
82	2
83	1
84	2
85	0
86	1
87	2
88	3
89	0
90	3
91	1
92	5
93	0
94	1
95	4
96	5
97	0
98	2
99	1
100	2
101	0
102	1
103	2
104	7
105	0