A352784 - cp's OEIS frontend

A352784 a(n) = w(n - w(n)), where w(n) is the binary weight of n, A000120(n).

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	1
19	1
20	2
21	2
22	3
23	3
24	3
25	3
26	4
27	4
28	3
29	3
30	3
31	3
32	5
33	5
34	1
35	1
36	2
37	2
38	3
39	3
40	3
41	3
42	4
43	4
44	3
45	3
46	3
47	3
48	4
49	4
50	5
51	5
52	3
53	3
54	3
55	3
56	4
57	4
58	4
59	4
60	3
61	3
62	4
63	4
64	6
65	6
66	1
67	1
68	2
69	2
70	3
71	3
72	3
73	3
74	4
75	4
76	3
77	3
78	3
79	3
80	4
81	4
82	5
83	5
84	3
85	3
86	3
87	3
88	4
89	4
90	4
91	4
92	3
93	3
94	4
95	4
96	5
97	5
98	6
99	6
100	3
101	3
102	3
103	3
104	4
105	4
106	4
107	4

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

cp's OEIS Frontend

A352784 a(n) = w(n - w(n)), where w(n) is the binary weight of n, A000120(n).

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	1
19	1
20	2
21	2
22	3
23	3
24	3
25	3
26	4
27	4
28	3
29	3
30	3
31	3
32	5
33	5
34	1
35	1
36	2
37	2
38	3
39	3
40	3
41	3
42	4
43	4
44	3
45	3
46	3
47	3
48	4
49	4
50	5
51	5
52	3
53	3
54	3
55	3
56	4
57	4
58	4
59	4
60	3
61	3
62	4
63	4
64	6
65	6
66	1
67	1
68	2
69	2
70	3
71	3
72	3
73	3
74	4
75	4
76	3
77	3
78	3
79	3
80	4
81	4
82	5
83	5
84	3
85	3
86	3
87	3
88	4
89	4
90	4
91	4
92	3
93	3
94	4
95	4
96	5
97	5
98	6
99	6
100	3
101	3
102	3
103	3
104	4
105	4
106	4
107	4

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	1
19	1
20	2
21	2
22	3
23	3
24	3
25	3
26	4
27	4
28	3
29	3
30	3
31	3
32	5
33	5
34	1
35	1
36	2
37	2
38	3
39	3
40	3
41	3
42	4
43	4
44	3
45	3
46	3
47	3
48	4
49	4
50	5
51	5
52	3
53	3
54	3
55	3
56	4
57	4
58	4
59	4
60	3
61	3
62	4
63	4
64	6
65	6
66	1
67	1
68	2
69	2
70	3
71	3
72	3
73	3
74	4
75	4
76	3
77	3
78	3
79	3
80	4
81	4
82	5
83	5
84	3
85	3
86	3
87	3
88	4
89	4
90	4
91	4
92	3
93	3
94	4
95	4
96	5
97	5
98	6
99	6
100	3
101	3
102	3
103	3
104	4
105	4
106	4
107	4

n	a(n)
0	0
1	0
2	1
3	1
4	2
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	2
13	2
14	3
15	3
16	4
17	4
18	1
19	1
20	2
21	2
22	3
23	3
24	3
25	3
26	4
27	4
28	3
29	3
30	3
31	3
32	5
33	5
34	1
35	1
36	2
37	2
38	3
39	3
40	3
41	3
42	4
43	4
44	3
45	3
46	3
47	3
48	4
49	4
50	5
51	5
52	3
53	3
54	3
55	3
56	4
57	4
58	4
59	4
60	3
61	3
62	4
63	4
64	6
65	6
66	1
67	1
68	2
69	2
70	3
71	3
72	3
73	3
74	4
75	4
76	3
77	3
78	3
79	3
80	4
81	4
82	5
83	5
84	3
85	3
86	3
87	3
88	4
89	4
90	4
91	4
92	3
93	3
94	4
95	4
96	5
97	5
98	6
99	6
100	3
101	3
102	3
103	3
104	4
105	4
106	4
107	4