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A005395 as a simple table

n a(n)
0 0
1 1
2 2
3 6
4 24
5 119
6 711
7 4981
8 39903
9 359537
10 3598696
11 39615626
12 475687487
13 6187239476
14 86661001741
15 1300430722200
16 20814114415224
17 353948328666101
18 6372804626194310
19 121112786592293964
20 2422786846761133394
21 50888617325509644404
22 1119751494628234263303

[0,1,2,6,24,119,711,4981,39903,359537,3598696,
 39615626,475687487,6187239476,86661001741,
 1300430722200,20814114415224,353948328666101,
 6372804626194310,121112786592293964,
 2422786846761133394,50888617325509644404,
 1119751494628234263303]

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Last modified August 8 19:29 EDT 2020. Contains 336298 sequences. (Running on oeis4.)