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A053503 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 16
5 56
6 256
7 1072
8 11264
9 78976
10 672256
11 4653056
12 49810432
13 433429504
14 4448608256
15 39221579776
16 1914926104576
17 29475151020032
18 501759779405824
19 6238907914387456
20 120652091860975616
21 1751735807564578816
22 29062253310781161472
23 398033706586943258624

[1,1,2,4,16,56,256,1072,11264,78976,672256,
 4653056,49810432,433429504,4448608256,39221579776,
 1914926104576,29475151020032,501759779405824,
 6238907914387456,120652091860975616,
 1751735807564578816,29062253310781161472,
 398033706586943258624]

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Last modified May 12 04:27 EDT 2021. Contains 343810 sequences. (Running on oeis4.)