A162401 - cp's OEIS frontend

A162401 a(n) is the largest integer whose square, when represented in binary, is a substring within the binary representation of n.

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

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

cp's OEIS Frontend

A162401 a(n) is the largest integer whose square, when represented in binary, is a substring within the binary representation of n.

Table of values

List of values

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

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

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