A065712 - cp's OEIS frontend

A065712 Number of 1's in decimal expansion of 2^n.

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

[1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 2, 1, 0, 1, 1, 1, 0, 2, 0, 1, 2, 0, 1, 2, 1, 0, 0, 3, 0, 1, 1, 0, 1, 3, 1, 3, 0, 3, 1, 1, 1, 2, 2, 2, 2, 0, 1, 3, 1, 0, 4, 4, 0, 3, 1, 3, 0, 3, 3, 0, 2, 2, 3, 6, 3, 1, 0, 2, 3, 3, 5, 1, 1, 5, 3, 1, 2, 5, 1, 4, 2, 2, 5, 2, 0, 5, 3, 1, 6, 2, 2, 4, 5, 2]

cp's OEIS Frontend

A065712 Number of 1's in decimal expansion of 2^n.

Table of values

List of values

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

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

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