A059156 - OEIS

A059156 as a simple table

n	a(n)
0	4
1	16
2	4
3	64
4	256
5	64
6	4
7	16
8	4
9	1024
10	4096
11	1024
12	4
13	16
14	4
15	64
16	256
17	64
18	4
19	16
20	4
21	16384
22	65536
23	16384
24	4
25	16
26	4
27	64
28	256
29	64
30	4
31	16
32	4
33	1024
34	4096
35	1024
36	4
37	16
38	4
39	64
40	256
41	64
42	4
43	16
44	4
45	262144
46	1048576
47	262144
48	4
49	16
50	4
51	64
52	256
53	64
54	4
55	16
56	4
57	1024
58	4096
59	1024
60	4

[4,16,4,64,256,64,4,16,4,1024,4096,1024,4,16,4,64, 256,64,4,16,4,16384,65536,16384,4,16,4,64,256,64, 4,16,4,1024,4096,1024,4,16,4,64,256,64,4,16,4, 262144,1048576,262144,4,16,4,64,256,64,4,16,4, 1024,4096,1024,4]