A372289 - cp's OEIS frontend

A372289 a(n) = n*2^e + (4^e - 1)/3, where e is the 2-adic valuation of n.

n	a(n)
1	1
2	5
3	3
4	21
5	5
6	13
7	7
8	85
9	9
10	21
11	11
12	53
13	13
14	29
15	15
16	341
17	17
18	37
19	19
20	85
21	21
22	45
23	23
24	213
25	25
26	53
27	27
28	117
29	29
30	61
31	31
32	1365
33	33
34	69
35	35
36	149
37	37
38	77
39	39
40	341
41	41
42	85
43	43
44	181
45	45
46	93
47	47
48	853
49	49
50	101
51	51
52	213
53	53
54	109
55	55
56	469
57	57
58	117
59	59
60	245
61	61
62	125
63	63
64	5461

[1, 5, 3, 21, 5, 13, 7, 85, 9, 21, 11, 53, 13, 29, 15, 341, 17, 37, 19, 85, 21, 45, 23, 213, 25, 53, 27, 117, 29, 61, 31, 1365, 33, 69, 35, 149, 37, 77, 39, 341, 41, 85, 43, 181, 45, 93, 47, 853, 49, 101, 51, 213, 53, 109, 55, 469, 57, 117, 59, 245, 61, 125, 63, 5461]

cp's OEIS Frontend

A372289 a(n) = n*2^e + (4^e - 1)/3, where e is the 2-adic valuation of n.

Table of values

List of values