A286574 - cp's OEIS frontend

A286574 Sum of the binary weights of the lengths of 1-runs in base-2 representation of n: a(n) = A000523(A286575(n)).

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	2
21	3
22	2
23	3
24	1
25	2
26	2
27	2
28	2
29	3
30	1
31	2
32	1
33	2
34	2
35	2
36	2
37	3
38	2
39	3
40	2
41	3
42	3
43	3
44	2
45	3
46	3
47	2
48	1
49	2
50	2
51	2
52	2
53	3
54	2
55	3
56	2
57	3
58	3
59	3
60	1
61	2
62	2
63	2
64	1
65	2
66	2
67	2
68	2
69	3
70	2
71	3
72	2
73	3
74	3
75	3
76	2
77	3
78	3
79	2
80	2
81	3
82	3
83	3
84	3
85	4
86	3
87	4
88	2
89	3
90	3
91	3
92	3
93	4
94	2
95	3
96	1
97	2
98	2
99	2
100	2
101	3
102	2
103	3
104	2
105	3
106	3
107	3
108	2
109	3
110	3
111	2
112	2
113	3
114	3
115	3
116	3
117	4
118	3
119	4
120	1

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

cp's OEIS Frontend

A286574 Sum of the binary weights of the lengths of 1-runs in base-2 representation of n: a(n) = A000523(A286575(n)).

Table of values

List of values

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	2
21	3
22	2
23	3
24	1
25	2
26	2
27	2
28	2
29	3
30	1
31	2
32	1
33	2
34	2
35	2
36	2
37	3
38	2
39	3
40	2
41	3
42	3
43	3
44	2
45	3
46	3
47	2
48	1
49	2
50	2
51	2
52	2
53	3
54	2
55	3
56	2
57	3
58	3
59	3
60	1
61	2
62	2
63	2
64	1
65	2
66	2
67	2
68	2
69	3
70	2
71	3
72	2
73	3
74	3
75	3
76	2
77	3
78	3
79	2
80	2
81	3
82	3
83	3
84	3
85	4
86	3
87	4
88	2
89	3
90	3
91	3
92	3
93	4
94	2
95	3
96	1
97	2
98	2
99	2
100	2
101	3
102	2
103	3
104	2
105	3
106	3
107	3
108	2
109	3
110	3
111	2
112	2
113	3
114	3
115	3
116	3
117	4
118	3
119	4
120	1

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	2
21	3
22	2
23	3
24	1
25	2
26	2
27	2
28	2
29	3
30	1
31	2
32	1
33	2
34	2
35	2
36	2
37	3
38	2
39	3
40	2
41	3
42	3
43	3
44	2
45	3
46	3
47	2
48	1
49	2
50	2
51	2
52	2
53	3
54	2
55	3
56	2
57	3
58	3
59	3
60	1
61	2
62	2
63	2
64	1
65	2
66	2
67	2
68	2
69	3
70	2
71	3
72	2
73	3
74	3
75	3
76	2
77	3
78	3
79	2
80	2
81	3
82	3
83	3
84	3
85	4
86	3
87	4
88	2
89	3
90	3
91	3
92	3
93	4
94	2
95	3
96	1
97	2
98	2
99	2
100	2
101	3
102	2
103	3
104	2
105	3
106	3
107	3
108	2
109	3
110	3
111	2
112	2
113	3
114	3
115	3
116	3
117	4
118	3
119	4
120	1

n	a(n)
0	0
1	1
2	1
3	1
4	1
5	2
6	1
7	2
8	1
9	2
10	2
11	2
12	1
13	2
14	2
15	1
16	1
17	2
18	2
19	2
20	2
21	3
22	2
23	3
24	1
25	2
26	2
27	2
28	2
29	3
30	1
31	2
32	1
33	2
34	2
35	2
36	2
37	3
38	2
39	3
40	2
41	3
42	3
43	3
44	2
45	3
46	3
47	2
48	1
49	2
50	2
51	2
52	2
53	3
54	2
55	3
56	2
57	3
58	3
59	3
60	1
61	2
62	2
63	2
64	1
65	2
66	2
67	2
68	2
69	3
70	2
71	3
72	2
73	3
74	3
75	3
76	2
77	3
78	3
79	2
80	2
81	3
82	3
83	3
84	3
85	4
86	3
87	4
88	2
89	3
90	3
91	3
92	3
93	4
94	2
95	3
96	1
97	2
98	2
99	2
100	2
101	3
102	2
103	3
104	2
105	3
106	3
107	3
108	2
109	3
110	3
111	2
112	2
113	3
114	3
115	3
116	3
117	4
118	3
119	4
120	1