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A066931 as a simple table

n a(n)
0 1
1 1
2 6
3 113
4 20174
5 22306955
6 123222909271
7 3283834214485890
8 421263391026827547540
9 260028731850596651411721718
10 772086476515163830856527013278243
11 11025620741283840573496993339545350520150
12 757129347300072898736973484532998417574513923224

[1,1,6,113,20174,22306955,123222909271,
 3283834214485890,421263391026827547540,
 260028731850596651411721718,
 772086476515163830856527013278243,
 11025620741283840573496993339545350520150,
 757129347300072898736973484532998417574513923224]

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Last modified June 22 17:18 EDT 2021. Contains 345388 sequences. (Running on oeis4.)