A249169 - OEIS

A249169 as a simple table

n	a(n)
15	1
16	1
17	2
18	4
19	8
20	16
21	32
22	64
23	128
24	256
25	512
26	1024
27	2048
28	4096
29	8192
30	16384
31	32768
32	65535
33	131069
34	262136
35	524268
36	1048528
37	2097040
38	4194048
39	8388032
40	16775936
41	33551616
42	67102720
43	134204416
44	268406784
45	536809472
46	1073610752
47	2147205120
48	4294377472
49	8588689409

[1,1,2,4,8,16,32,64,128,256,512,1024,2048,4096, 8192,16384,32768,65535,131069,262136,524268, 1048528,2097040,4194048,8388032,16775936,33551616, 67102720,134204416,268406784,536809472,1073610752, 2147205120,4294377472,8588689409]