A145257 - cp's OEIS frontend

A145257 a(n) is the smallest integer > n that is non-coprime to n and has the same number of 0's in its binary representation as n has.

n	a(n)
2	6
3	15
4	10
5	30
6	14
7	63
8	18
9	12
10	12
11	55
12	21
13	247
14	30
15	63
16	34
17	85
18	20
19	57
20	24
21	28
22	26
23	253
24	38
25	45
26	28
27	30
28	46
29	1015
30	55
31	1023
32	66
33	36
34	36
35	42
36	40
37	185
38	42
39	45
40	48
41	205
42	44
43	215
44	50
45	51
46	54
47	14335
48	69
49	56
50	52
51	54
52	56
53	159
54	57
55	95
56	77
57	60
58	60
59	767
60	87
61	4087
62	126
63	255
64	130
65	80

[6, 15, 10, 30, 14, 63, 18, 12, 12, 55, 21, 247, 30, 63, 34, 85, 20, 57, 24, 28, 26, 253, 38, 45, 28, 30, 46, 1015, 55, 1023, 66, 36, 36, 42, 40, 185, 42, 45, 48, 205, 44, 215, 50, 51, 54, 14335, 69, 56, 52, 54, 56, 159, 57, 95, 77, 60, 60, 767, 87, 4087, 126, 255, 130, 80]

cp's OEIS Frontend

A145257 a(n) is the smallest integer > n that is non-coprime to n and has the same number of 0's in its binary representation as n has.

Table of values

List of values