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A005418 as a simple table

n a(n)
1 1
2 2
3 3
4 6
5 10
6 20
7 36
8 72
9 136
10 272
11 528
12 1056
13 2080
14 4160
15 8256
16 16512
17 32896
18 65792
19 131328
20 262656
21 524800
22 1049600
23 2098176
24 4196352
25 8390656
26 16781312
27 33558528
28 67117056
29 134225920
30 268451840
31 536887296
32 1073774592
33 2147516416
34 4295032832

[1,2,3,6,10,20,36,72,136,272,528,1056,2080,4160,
 8256,16512,32896,65792,131328,262656,524800,
 1049600,2098176,4196352,8390656,16781312,33558528,
 67117056,134225920,268451840,536887296,1073774592,
 2147516416,4295032832]

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Last modified May 24 03:44 EDT 2018. Contains 304500 sequences. (Running on oeis4.)