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A243426 as a simple table

n a(n)
0 1
1 1
2 3
3 20
4 215
5 3019
6 50750
7 978792
8 21118641
9 501447228
10 12954812178
11 361153740034
12 10796374169997
13 344373435613191
14 11672904804892441
15 419017404782400368
16 15881588444144243375
17 633896023527831462147
18 26581090260348132921162
19 1168473922210084561137995

[1,1,3,20,215,3019,50750,978792,21118641,
 501447228,12954812178,361153740034,10796374169997,
 344373435613191,11672904804892441,
 419017404782400368,15881588444144243375,
 633896023527831462147,26581090260348132921162,
 1168473922210084561137995]

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Last modified May 28 09:09 EDT 2022. Contains 354112 sequences. (Running on oeis4.)