A260683 - cp's OEIS frontend

A260683 Number of 2's in the expansion of 2^n in base 3.

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	1
6	1
7	2
8	0
9	4
10	2
11	4
12	3
13	3
14	2
15	6
16	5
17	5
18	3
19	7
20	4
21	7
22	5
23	4
24	1
25	5
26	2
27	8
28	8
29	7
30	9
31	9
32	8
33	7
34	7
35	8
36	4
37	6
38	8
39	9
40	11
41	11
42	7
43	11
44	10
45	8
46	9
47	8
48	8
49	10
50	11
51	16
52	13
53	10
54	9
55	12
56	13
57	16
58	12
59	13
60	15
61	15
62	11
63	15
64	16
65	14
66	14
67	12
68	14
69	15
70	14
71	16
72	11
73	18
74	11
75	17
76	10

[0, 1, 0, 2, 1, 1, 1, 2, 0, 4, 2, 4, 3, 3, 2, 6, 5, 5, 3, 7, 4, 7, 5, 4, 1, 5, 2, 8, 8, 7, 9, 9, 8, 7, 7, 8, 4, 6, 8, 9, 11, 11, 7, 11, 10, 8, 9, 8, 8, 10, 11, 16, 13, 10, 9, 12, 13, 16, 12, 13, 15, 15, 11, 15, 16, 14, 14, 12, 14, 15, 14, 16, 11, 18, 11, 17, 10]

cp's OEIS Frontend

A260683 Number of 2's in the expansion of 2^n in base 3.

Table of values

List of values

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	1
6	1
7	2
8	0
9	4
10	2
11	4
12	3
13	3
14	2
15	6
16	5
17	5
18	3
19	7
20	4
21	7
22	5
23	4
24	1
25	5
26	2
27	8
28	8
29	7
30	9
31	9
32	8
33	7
34	7
35	8
36	4
37	6
38	8
39	9
40	11
41	11
42	7
43	11
44	10
45	8
46	9
47	8
48	8
49	10
50	11
51	16
52	13
53	10
54	9
55	12
56	13
57	16
58	12
59	13
60	15
61	15
62	11
63	15
64	16
65	14
66	14
67	12
68	14
69	15
70	14
71	16
72	11
73	18
74	11
75	17
76	10

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	1
6	1
7	2
8	0
9	4
10	2
11	4
12	3
13	3
14	2
15	6
16	5
17	5
18	3
19	7
20	4
21	7
22	5
23	4
24	1
25	5
26	2
27	8
28	8
29	7
30	9
31	9
32	8
33	7
34	7
35	8
36	4
37	6
38	8
39	9
40	11
41	11
42	7
43	11
44	10
45	8
46	9
47	8
48	8
49	10
50	11
51	16
52	13
53	10
54	9
55	12
56	13
57	16
58	12
59	13
60	15
61	15
62	11
63	15
64	16
65	14
66	14
67	12
68	14
69	15
70	14
71	16
72	11
73	18
74	11
75	17
76	10

n	a(n)
0	0
1	1
2	0
3	2
4	1
5	1
6	1
7	2
8	0
9	4
10	2
11	4
12	3
13	3
14	2
15	6
16	5
17	5
18	3
19	7
20	4
21	7
22	5
23	4
24	1
25	5
26	2
27	8
28	8
29	7
30	9
31	9
32	8
33	7
34	7
35	8
36	4
37	6
38	8
39	9
40	11
41	11
42	7
43	11
44	10
45	8
46	9
47	8
48	8
49	10
50	11
51	16
52	13
53	10
54	9
55	12
56	13
57	16
58	12
59	13
60	15
61	15
62	11
63	15
64	16
65	14
66	14
67	12
68	14
69	15
70	14
71	16
72	11
73	18
74	11
75	17
76	10