A025612 - OEIS

A025612 as a simple table

n	a(n)
1	1
2	2
3	4
4	8
5	10
6	16
7	20
8	32
9	40
10	64
11	80
12	100
13	128
14	160
15	200
16	256
17	320
18	400
19	512
20	640
21	800
22	1000
23	1024
24	1280
25	1600
26	2000
27	2048
28	2560
29	3200
30	4000
31	4096
32	5120
33	6400
34	8000
35	8192
36	10000
37	10240
38	12800
39	16000
40	16384
41	20000
42	20480
43	25600
44	32000
45	32768
46	40000
47	40960

[1,2,4,8,10,16,20,32,40,64,80,100,128,160,200,256, 320,400,512,640,800,1000,1024,1280,1600,2000,2048, 2560,3200,4000,4096,5120,6400,8000,8192,10000, 10240,12800,16000,16384,20000,20480,25600,32000, 32768,40000,40960]