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A116485 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 24
5 119
6 694
7 4581
8 33286
9 260927
10 2174398
11 19053058
12 174094868
13 1648198050
14 16085475576
15 161174636600
16 1652590573612
17 17292601075489
18 184246699159418
19 1995064785620557
20 21919480341617102
21 244015986016996763
22 2749174129340156922
23 31313478171012371344

[1,1,2,6,24,119,694,4581,33286,260927,2174398,
 19053058,174094868,1648198050,16085475576,
 161174636600,1652590573612,17292601075489,
 184246699159418,1995064785620557,
 21919480341617102,244015986016996763,
 2749174129340156922,31313478171012371344]

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Last modified July 23 16:14 EDT 2019. Contains 325258 sequences. (Running on oeis4.)