A162400 - cp's OEIS frontend

A162400 a(n) = the largest square that when represented in binary is a substring within the binary representation of n.

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

[1, 1, 1, 4, 1, 1, 1, 4, 9, 1, 1, 4, 1, 1, 1, 16, 4, 9, 9, 4, 1, 1, 1, 4, 25, 1, 1, 4, 1, 1, 1, 16, 16, 4, 4, 36, 9, 9, 9, 4, 9, 1, 1, 4, 1, 1, 1, 16, 49, 25, 25, 4, 1, 1, 1, 4, 25, 1, 1, 4, 1, 1, 1, 64, 16, 16, 16, 4, 4, 4, 4, 36, 36, 9, 9, 9, 9, 9, 9, 16, 81, 9, 9, 4, 1, 1, 1, 4, 25, 1, 1, 4, 1, 1, 1, 16, 16, 49, 49, 100, 25]

cp's OEIS Frontend

A162400 a(n) = the largest square that 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	4
5	1
6	1
7	1
8	4
9	9
10	1
11	1
12	4
13	1
14	1
15	1
16	16
17	4
18	9
19	9
20	4
21	1
22	1
23	1
24	4
25	25
26	1
27	1
28	4
29	1
30	1
31	1
32	16
33	16
34	4
35	4
36	36
37	9
38	9
39	9
40	4
41	9
42	1
43	1
44	4
45	1
46	1
47	1
48	16
49	49
50	25
51	25
52	4
53	1
54	1
55	1
56	4
57	25
58	1
59	1
60	4
61	1
62	1
63	1
64	64
65	16
66	16
67	16
68	4
69	4
70	4
71	4
72	36
73	36
74	9
75	9
76	9
77	9
78	9
79	9
80	16
81	81
82	9
83	9
84	4
85	1
86	1
87	1
88	4
89	25
90	1
91	1
92	4
93	1
94	1
95	1
96	16
97	16
98	49
99	49
100	100
101	25

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

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