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A093951 as a simple table

n a(n)
1 1
2 2
3 4
4 8
5 17
6 36
7 80
8 176
9 403
10 910
11 2128
12 4896
13 11628
14 27132
15 65208
16 153824
17 373175
18 888030
19 2170740
20 5202600
21 12797265
22 30853680
23 76292736
24 184863168
25 459162452
26 1117370696
27 2786017120
28 6804995008
29 17024247304
30 41717833740
31 104673837384

[1,2,4,8,17,36,80,176,403,910,2128,4896,11628,
 27132,65208,153824,373175,888030,2170740,5202600,
 12797265,30853680,76292736,184863168,459162452,
 1117370696,2786017120,6804995008,17024247304,
 41717833740,104673837384]

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Last modified October 21 16:12 EDT 2019. Contains 328301 sequences. (Running on oeis4.)