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A003281 as a simple table

n a(n)
0 0
1 1
2 23
3 1477
4 555273
5 38466649
6 1711814393
7 48275151899
8 28127429172349
9 11820256380127
10 61330815490787739
11 1438084556561535649
12 3452174145433606905
13 1300912433743549667989
14 275638998008835888305243

[0,1,23,1477,555273,38466649,1711814393,
 48275151899,28127429172349,11820256380127,
 61330815490787739,1438084556561535649,
 3452174145433606905,1300912433743549667989,
 275638998008835888305243]

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Last modified December 4 02:40 EST 2021. Contains 349469 sequences. (Running on oeis4.)