A160385 - cp's OEIS frontend

A160385 Number of nonzero digits in base-4 representation of n.

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

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

cp's OEIS Frontend

A160385 Number of nonzero digits in base-4 representation of n.

Table of values

List of values

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

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

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