A161150 - cp's OEIS frontend

A161150 a(n) = (largest odd divisor of n)*(largest power of 2 dividing (n+1)).

n	a(n)
1	2
2	1
3	12
4	1
5	10
6	3
7	56
8	1
9	18
10	5
11	44
12	3
13	26
14	7
15	240
16	1
17	34
18	9
19	76
20	5
21	42
22	11
23	184
24	3
25	50
26	13
27	108
28	7
29	58
30	15
31	992
32	1
33	66
34	17
35	140
36	9
37	74
38	19
39	312
40	5
41	82
42	21
43	172
44	11
45	90
46	23
47	752
48	3
49	98
50	25
51	204
52	13
53	106
54	27
55	440
56	7
57	114
58	29
59	236
60	15
61	122
62	31
63	4032
64	1
65	130
66	33
67	268
68	17
69	138

[2, 1, 12, 1, 10, 3, 56, 1, 18, 5, 44, 3, 26, 7, 240, 1, 34, 9, 76, 5, 42, 11, 184, 3, 50, 13, 108, 7, 58, 15, 992, 1, 66, 17, 140, 9, 74, 19, 312, 5, 82, 21, 172, 11, 90, 23, 752, 3, 98, 25, 204, 13, 106, 27, 440, 7, 114, 29, 236, 15, 122, 31, 4032, 1, 130, 33, 268, 17, 138]

cp's OEIS Frontend

A161150 a(n) = (largest odd divisor of n)*(largest power of 2 dividing (n+1)).

Table of values

List of values