A254522 - cp's OEIS frontend

A254522 Numerators of (2^n - 1 + (-1)^n)/(2*n), n > 0.

n	a(n)
1	0
2	1
3	1
4	2
5	3
6	16
7	9
8	16
9	85
10	256
11	93
12	512
13	315
14	4096
15	5461
16	2048
17	3855
18	65536
19	13797
20	131072
21	349525
22	1048576
23	182361
24	1048576
25	3355443
26	16777216
27	22369621
28	33554432
29	9256395
30	268435456
31	34636833
32	67108864
33	1431655765
34	4294967296
35	17179869183
36	8589934592
37	1857283155
38	68719476736
39	91625968981

[0, 1, 1, 2, 3, 16, 9, 16, 85, 256, 93, 512, 315, 4096, 5461, 2048, 3855, 65536, 13797, 131072, 349525, 1048576, 182361, 1048576, 3355443, 16777216, 22369621, 33554432, 9256395, 268435456, 34636833, 67108864, 1431655765, 4294967296, 17179869183, 8589934592, 1857283155, 68719476736, 91625968981]

cp's OEIS Frontend

A254522 Numerators of (2^n - 1 + (-1)^n)/(2*n), n > 0.

Table of values

List of values