A214560 - cp's OEIS frontend

A214560 Number of 0's in binary expansion of n^2.

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

[1, 0, 2, 2, 4, 2, 4, 3, 6, 4, 4, 2, 6, 4, 5, 4, 8, 6, 6, 4, 6, 3, 4, 7, 8, 5, 6, 4, 7, 5, 6, 5, 10, 8, 8, 6, 8, 5, 6, 4, 8, 6, 5, 4, 6, 3, 9, 8, 10, 7, 7, 7, 8, 4, 6, 5, 9, 6, 7, 5, 8, 6, 7, 6, 12, 10, 10, 8, 10, 7, 8, 6, 10, 7, 7, 4, 8, 6, 6, 8, 10, 7, 8, 5, 7]

cp's OEIS Frontend

A214560 Number of 0's in binary expansion of n^2.

Table of values

List of values

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

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

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