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A000162 as a simple table

n a(n)
1 1
2 1
3 2
4 8
5 29
6 166
7 1023
8 6922
9 48311
10 346543
11 2522522
12 18598427
13 138462649
14 1039496297
15 7859514470
16 59795121480
17 457409613979
18 3516009200564
19 27144143923583
20 210375361379518
21 1636229771639924
22 12766882202755783

[1,1,2,8,29,166,1023,6922,48311,346543,2522522,
 18598427,138462649,1039496297,7859514470,
 59795121480,457409613979,3516009200564,
 27144143923583,210375361379518,1636229771639924,
 12766882202755783]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)