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A137590 as a simple table

n a(n)
1 1
2 0
3 1
4 1
5 3
6 10
7 39
8 173
9 882
10 5052
11 32163
12 225230
13 1720635
14 14240070
15 126917155
16 1211969509
17 12345020175
18 133604426410
19 1530993953307
20 18518559411876
21 235785621577351
22 3152221563324450
23 44148864630732711
24 646438923481545230
25 9876859207608319344
26 157195096511273995860

[1,0,1,1,3,10,39,173,882,5052,32163,225230,
 1720635,14240070,126917155,1211969509,12345020175,
 133604426410,1530993953307,18518559411876,
 235785621577351,3152221563324450,
 44148864630732711,646438923481545230,
 9876859207608319344,157195096511273995860]

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Last modified July 19 12:35 EDT 2019. Contains 325159 sequences. (Running on oeis4.)