A143073 - cp's OEIS frontend

A143073 Least number k such that the binary expansion of n*k has fewer ones than n, or 0 if no such k exists.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	0
11	3
12	0
13	5
14	0
15	0
16	0
17	0
18	0
19	27
20	0
21	0
22	3
23	3
24	0
25	41
26	5
27	3
28	0
29	5
30	0
31	0
32	0
33	0
34	0
35	0
36	0
37	7085
38	27
39	7
40	0
41	25
42	0
43	3
44	3
45	0
46	3
47	3
48	0
49	0
50	41
51	0
52	5
53	5
54	3
55	3
56	0
57	9
58	5
59	3
60	0
61	5
62	0
63	0
64	0
65	0
66	0
67	128207979
68	0
69	0
70	0
71	119
72	0
73	0
74	7085
75	0
76	27
77	5
78	7
79	7
80	0
81	1657009
82	25
83	395
84	0
85	0
86	3
87	3
88	3
89	0
90	0

[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 5, 0, 0, 0, 0, 0, 27, 0, 0, 3, 3, 0, 41, 5, 3, 0, 5, 0, 0, 0, 0, 0, 0, 0, 7085, 27, 7, 0, 25, 0, 3, 3, 0, 3, 3, 0, 0, 41, 0, 5, 5, 3, 3, 0, 9, 5, 3, 0, 5, 0, 0, 0, 0, 0, 128207979, 0, 0, 0, 119, 0, 0, 7085, 0, 27, 5, 7, 7, 0, 1657009, 25, 395, 0, 0, 3, 3, 3, 0, 0]

cp's OEIS Frontend

A143073 Least number k such that the binary expansion of n*k has fewer ones than n, or 0 if no such k exists.

Table of values

List of values