A242954 - OEIS

A242954 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	4
5	4
6	4
7	4
8	16
9	16
10	16
11	16
12	64
13	64
14	64
15	64
16	1024
17	1024
18	1024
19	1024
20	4096
21	4096
22	4096
23	4096
24	16384
25	16384
26	16384
27	16384
28	65536
29	65536
30	65536
31	65536
32	1048576
33	1048576
34	1048576
35	1048576
36	4194304
37	4194304
38	4194304
39	4194304
40	16777216
41	16777216
42	16777216

[1,1,1,1,4,4,4,4,16,16,16,16,64,64,64,64,1024, 1024,1024,1024,4096,4096,4096,4096,16384,16384, 16384,16384,65536,65536,65536,65536,1048576, 1048576,1048576,1048576,4194304,4194304,4194304, 4194304,16777216,16777216,16777216]