A080940 - cp's OEIS frontend

A080940 Smallest proper divisor of n which is a suffix of n in binary representation; a(n) = 0 if no such divisor exists.

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	1
12	4
13	1
14	2
15	1
16	0
17	1
18	2
19	1
20	4
21	1
22	2
23	1
24	8
25	1
26	2
27	1
28	4
29	1
30	2
31	1
32	0
33	1
34	2
35	1
36	4
37	1
38	2
39	1
40	8
41	1
42	2
43	1
44	4
45	1
46	2
47	1
48	16
49	1
50	2
51	1
52	4
53	1
54	2
55	1
56	8
57	1
58	2
59	1
60	4
61	1
62	2
63	1
64	0
65	1
66	2
67	1
68	4
69	1
70	2
71	1
72	8
73	1
74	2
75	1
76	4
77	1
78	2
79	1
80	16
81	1
82	2
83	1
84	4
85	1
86	2
87	1
88	8
89	1
90	2
91	1
92	4
93	1
94	2
95	1
96	32
97	1
98	2
99	1
100	4
101	1
102	2
103	1
104	8

[0, 0, 1, 0, 1, 2, 1, 0, 1, 2, 1, 4, 1, 2, 1, 0, 1, 2, 1, 4, 1, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1, 0, 1, 2, 1, 4, 1, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1, 16, 1, 2, 1, 4, 1, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1, 0, 1, 2, 1, 4, 1, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1, 16, 1, 2, 1, 4, 1, 2, 1, 8, 1, 2, 1, 4, 1, 2, 1, 32, 1, 2, 1, 4, 1, 2, 1, 8]

cp's OEIS Frontend

A080940 Smallest proper divisor of n which is a suffix of n in binary representation; a(n) = 0 if no such divisor exists.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	1
12	4
13	1
14	2
15	1
16	0
17	1
18	2
19	1
20	4
21	1
22	2
23	1
24	8
25	1
26	2
27	1
28	4
29	1
30	2
31	1
32	0
33	1
34	2
35	1
36	4
37	1
38	2
39	1
40	8
41	1
42	2
43	1
44	4
45	1
46	2
47	1
48	16
49	1
50	2
51	1
52	4
53	1
54	2
55	1
56	8
57	1
58	2
59	1
60	4
61	1
62	2
63	1
64	0
65	1
66	2
67	1
68	4
69	1
70	2
71	1
72	8
73	1
74	2
75	1
76	4
77	1
78	2
79	1
80	16
81	1
82	2
83	1
84	4
85	1
86	2
87	1
88	8
89	1
90	2
91	1
92	4
93	1
94	2
95	1
96	32
97	1
98	2
99	1
100	4
101	1
102	2
103	1
104	8

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	1
12	4
13	1
14	2
15	1
16	0
17	1
18	2
19	1
20	4
21	1
22	2
23	1
24	8
25	1
26	2
27	1
28	4
29	1
30	2
31	1
32	0
33	1
34	2
35	1
36	4
37	1
38	2
39	1
40	8
41	1
42	2
43	1
44	4
45	1
46	2
47	1
48	16
49	1
50	2
51	1
52	4
53	1
54	2
55	1
56	8
57	1
58	2
59	1
60	4
61	1
62	2
63	1
64	0
65	1
66	2
67	1
68	4
69	1
70	2
71	1
72	8
73	1
74	2
75	1
76	4
77	1
78	2
79	1
80	16
81	1
82	2
83	1
84	4
85	1
86	2
87	1
88	8
89	1
90	2
91	1
92	4
93	1
94	2
95	1
96	32
97	1
98	2
99	1
100	4
101	1
102	2
103	1
104	8

n	a(n)
1	0
2	0
3	1
4	0
5	1
6	2
7	1
8	0
9	1
10	2
11	1
12	4
13	1
14	2
15	1
16	0
17	1
18	2
19	1
20	4
21	1
22	2
23	1
24	8
25	1
26	2
27	1
28	4
29	1
30	2
31	1
32	0
33	1
34	2
35	1
36	4
37	1
38	2
39	1
40	8
41	1
42	2
43	1
44	4
45	1
46	2
47	1
48	16
49	1
50	2
51	1
52	4
53	1
54	2
55	1
56	8
57	1
58	2
59	1
60	4
61	1
62	2
63	1
64	0
65	1
66	2
67	1
68	4
69	1
70	2
71	1
72	8
73	1
74	2
75	1
76	4
77	1
78	2
79	1
80	16
81	1
82	2
83	1
84	4
85	1
86	2
87	1
88	8
89	1
90	2
91	1
92	4
93	1
94	2
95	1
96	32
97	1
98	2
99	1
100	4
101	1
102	2
103	1
104	8