A160381 - cp's OEIS frontend

A160381 Number of 1's in base-4 representation of n.

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

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

cp's OEIS Frontend

A160381 Number of 1's in base-4 representation of n.

Table of values

List of values

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

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

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