A161397 - cp's OEIS frontend

A161397 a(n) = the smallest positive integer that contains the same number of (non-leading) 0's as n when a(n) and n are written in binary, is not coprime to n, and is not a divisor of n.

n	a(n)
2	6
3	15
4	10
5	30
6	14
7	63
8	18
9	12
10	4
11	55
12	9
13	247
14	6
15	63
16	34
17	85
18	8
19	57
20	8
21	9
22	4
23	253
24	18
25	10
26	4
27	6
28	10
29	1015
30	14
31	1023
32	66
33	36
34	16
35	20
36	16
37	185
38	8
39	9
40	16
41	205
42	8
43	215
44	8
45	10
46	4
47	14335
48	33
49	35
50	8
51	9
52	8
53	159
54	4
55	30
56	18
57	9
58	4
59	767
60	9
61	4087
62	6
63	15
64	130
65	80
66	32
67	201
68	32
69	33
70	16
71	213
72	32
73	730

[6, 15, 10, 30, 14, 63, 18, 12, 4, 55, 9, 247, 6, 63, 34, 85, 8, 57, 8, 9, 4, 253, 18, 10, 4, 6, 10, 1015, 14, 1023, 66, 36, 16, 20, 16, 185, 8, 9, 16, 205, 8, 215, 8, 10, 4, 14335, 33, 35, 8, 9, 8, 159, 4, 30, 18, 9, 4, 767, 9, 4087, 6, 15, 130, 80, 32, 201, 32, 33, 16, 213, 32, 730]

cp's OEIS Frontend

A161397 a(n) = the smallest positive integer that contains the same number of (non-leading) 0's as n when a(n) and n are written in binary, is not coprime to n, and is not a divisor of n.

Table of values

List of values