A046971 - OEIS

A046971 as a simple table

n	a(n)
1	2
2	2
3	4
4	4
5	8
6	8
7	8
8	16
9	16
10	16
11	16
12	32
13	32
14	32
15	64
16	64
17	64
18	64
19	128
20	128
21	128
22	128
23	128
24	256
25	256
26	256
27	256
28	512
29	512
30	512
31	512
32	512
33	1024
34	1024
35	1024
36	1024
37	1024
38	2048
39	2048
40	2048
41	2048
42	2048
43	4096
44	4096
45	4096
46	4096
47	4096
48	4096
49	8192
50	8192
51	8192
52	8192

[2,2,4,4,8,8,8,16,16,16,16,32,32,32,64,64,64,64, 128,128,128,128,128,256,256,256,256,512,512,512, 512,512,1024,1024,1024,1024,1024,2048,2048,2048, 2048,2048,4096,4096,4096,4096,4096,4096,8192,8192, 8192,8192]