A160384 - cp's OEIS frontend

A160384 Number of nonzero digits in the base-3 representation of n.

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

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

cp's OEIS Frontend

A160384 Number of nonzero digits in the base-3 representation of n.

Table of values

List of values

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

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

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