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A097148 as a simple table

n a(n)
1 1
2 3
3 10
4 35
5 136
6 577
7 2682
8 13435
9 72310
10 414761
11 2524666
12 16239115
13 109976478
14 781672543
15 5814797281
16 45155050875
17 365223239372
18 3070422740989
19 26780417126048
20 241927307839731
21 2260138776632752
22 21805163768404127

[1,3,10,35,136,577,2682,13435,72310,414761,
 2524666,16239115,109976478,781672543,5814797281,
 45155050875,365223239372,3070422740989,
 26780417126048,241927307839731,2260138776632752,
 21805163768404127]

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Last modified March 29 03:09 EDT 2020. Contains 333104 sequences. (Running on oeis4.)