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A129452 as a simple table

n a(n)
0 1
1 1
2 4
3 61
4 208
5 1093
6 7198
7 35560
8 193450
9 1089772
10 5837140
11 31840051
12 174564403
13 949080799
14 5176371973
15 28253599486
16 154003756249
17 839880083245
18 4580937825271
19 24980164298164
20 136230227328730
21 742951002036193

[1,1,4,61,208,1093,7198,35560,193450,1089772,
 5837140,31840051,174564403,949080799,5176371973,
 28253599486,154003756249,839880083245,
 4580937825271,24980164298164,136230227328730,
 742951002036193]

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Last modified September 27 04:10 EDT 2021. Contains 347673 sequences. (Running on oeis4.)