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A083586 as a simple table

n a(n)
0 0
1 1
2 5
3 22
4 96
5 419
6 1819
7 7824
8 33302
9 140317
10 585873
11 2427146
12 9989068
13 40886295
14 166600967
15 676368388
16 2737758594
17 11055063953
18 44553867901
19 179280877950
20 720513441080
21 2892804682891
22 11605214879475
23 46528078138232

[0,1,5,22,96,419,1819,7824,33302,140317,585873,
 2427146,9989068,40886295,166600967,676368388,
 2737758594,11055063953,44553867901,179280877950,
 720513441080,2892804682891,11605214879475,
 46528078138232]

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Last modified December 3 18:15 EST 2020. Contains 338908 sequences. (Running on oeis4.)