A308542 - OEIS

A308542 as a simple table

n	a(n)
1	1
2	2
3	4
4	8
5	16
6	28
7	56
8	100
9	200
10	364
11	728
12	1184
13	2368
14	4448
15	8056
16	15008
17	30016
18	52736
19	105472
20	183424
21	339840
22	663616
23	1327232
24	2217088
25	4434176
26	8744320
27	16559168
28	30034624
29	60069248
30	103402112
31	206804224
32	379941440
33	730800064
34	1454649248
35	2659869664
36	4786282208

[1,2,4,8,16,28,56,100,200,364,728,1184,2368,4448, 8056,15008,30016,52736,105472,183424,339840, 663616,1327232,2217088,4434176,8744320,16559168, 30034624,60069248,103402112,206804224,379941440, 730800064,1454649248,2659869664,4786282208]