A253556 - cp's OEIS frontend

A253556 a(1) = 0; after which, a(2n) = a(n), a(2n+1) = 1 + a(A250470(n)).

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

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

cp's OEIS Frontend

A253556 a(1) = 0; after which, a(2n) = a(n), a(2n+1) = 1 + a(A250470(n)).

Table of values

List of values

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

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

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