A322997 - cp's OEIS frontend

A322997 Number of iterations of A049820(x) = x - A000005(x) needed to reach an odd number or zero, when starting from x = 2n.

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

[0, 1, 1, 2, 2, 3, 3, 4, 1, 4, 5, 5, 2, 6, 6, 6, 7, 7, 1, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 11, 10, 12, 1, 12, 13, 13, 11, 14, 14, 14, 14, 15, 12, 16, 15, 15, 17, 16, 13, 18, 1, 17, 14, 18, 14, 18, 18, 19, 19, 20, 15, 21, 21, 20, 16, 22, 16, 23, 17, 23, 17, 24, 1, 25, 25, 24, 2, 26, 2, 27, 26, 3, 28, 4, 3, 4, 5, 5, 5, 6]

cp's OEIS Frontend

A322997 Number of iterations of A049820(x) = x - A000005(x) needed to reach an odd number or zero, when starting from x = 2n.

Table of values

List of values

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

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

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