A090047 - cp's OEIS frontend

A090047 Length of longest contiguous block 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	2
7	3
8	6
9	3
10	2
11	2
12	4
13	2
14	3
15	4
16	8
17	4
18	3
19	2
20	4
21	2
22	2
23	4
24	6
25	3
26	2
27	2
28	4
29	2
30	4
31	5
32	10
33	5
34	4
35	2
36	4
37	2
38	2
39	3
40	6
41	3
42	2
43	2
44	4
45	2
46	4
47	4
48	8
49	4
50	3
51	3
52	4
53	2
54	2
55	3
56	6
57	3
58	2
59	2
60	4
61	3
62	5
63	6
64	12
65	6
66	5
67	3
68	4
69	2
70	2
71	3
72	6
73	3
74	2
75	2
76	4
77	2
78	3
79	4
80	8
81	4
82	3
83	2
84	4
85	4
86	2
87	3
88	6
89	3
90	2
91	6
92	4
93	4
94	4
95	5
96	10
97	5
98	4
99	2
100	4
101	2

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

cp's OEIS Frontend

A090047 Length of longest contiguous block 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	2
7	3
8	6
9	3
10	2
11	2
12	4
13	2
14	3
15	4
16	8
17	4
18	3
19	2
20	4
21	2
22	2
23	4
24	6
25	3
26	2
27	2
28	4
29	2
30	4
31	5
32	10
33	5
34	4
35	2
36	4
37	2
38	2
39	3
40	6
41	3
42	2
43	2
44	4
45	2
46	4
47	4
48	8
49	4
50	3
51	3
52	4
53	2
54	2
55	3
56	6
57	3
58	2
59	2
60	4
61	3
62	5
63	6
64	12
65	6
66	5
67	3
68	4
69	2
70	2
71	3
72	6
73	3
74	2
75	2
76	4
77	2
78	3
79	4
80	8
81	4
82	3
83	2
84	4
85	4
86	2
87	3
88	6
89	3
90	2
91	6
92	4
93	4
94	4
95	5
96	10
97	5
98	4
99	2
100	4
101	2

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

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