A352631 - cp's OEIS frontend

A352631 Minimum number of zeros in a binary n-digit perfect square, or -1 if there are no such numbers.

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

[0, -1, 2, 2, 2, 3, 2, 4, 3, 4, 3, 4, 4, 5, 2, 5, 4, 6, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 6, 8, 8, 6, 7, 7, 8, 8, 9, 8, 9, 9, 8, 9, 10, 9, 9, 10, 9, 9, 9, 9, 10, 10, 10, 10, 11, 10, 11, 11, 11, 9, 9, 11, 11, 11, 12, 11, 12, 11, 12]

cp's OEIS Frontend

A352631 Minimum number of zeros in a binary n-digit perfect square, or -1 if there are no such numbers.

Table of values

List of values

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

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

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