A335853 - OEIS

A335853 as a simple table

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	32
7	64
8	100
9	200
10	400
11	500
12	800
13	1000
14	2000
15	4000
16	5000
17	8000
18	10000
19	18000
20	20000
21	27000
22	36000
23	40000
24	50000
25	54000
26	80000
27	90000
28	108000
29	135000
30	180000
31	216000
32	270000
33	450000
34	540000
35	810000
36	1080000
37	1350000
38	1620000
39	2160000
40	2700000

[1,2,4,8,16,32,64,100,200,400,500,800,1000,2000, 4000,5000,8000,10000,18000,20000,27000,36000, 40000,50000,54000,80000,90000,108000,135000, 180000,216000,270000,450000,540000,810000,1080000, 1350000,1620000,2160000,2700000]