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A290716 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 15
5 35
6 225
7 1197
8 6881
9 45369
10 327375
11 2460755
12 19925367
13 171368067
14 1551364997
15 14763620445
16 147405166785
17 1538113071857
18 16732908859599
19 189413984297187
20 2226589748578775
21 27130592749003275
22 342118450334269917
23 4458168165784234253
24 59952936723606219009

[1,1,1,3,15,35,225,1197,6881,45369,327375,2460755,
 19925367,171368067,1551364997,14763620445,
 147405166785,1538113071857,16732908859599,
 189413984297187,2226589748578775,
 27130592749003275,342118450334269917,
 4458168165784234253,59952936723606219009]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)