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A157576 as a simple table

n a(n)
2 1
3 3
4 66
5 14630
6 1446495
7 105717843
8 6111518987
9 323657828739
10 16777260176400
11 835056998169955
12 40377792647031081
13 1902059925519314067
14 85804943707548960986
15 3683698658760163764945
16 151229533594426205964390

[1,3,66,14630,1446495,105717843,6111518987,
 323657828739,16777260176400,835056998169955,
 40377792647031081,1902059925519314067,
 85804943707548960986,3683698658760163764945,
 151229533594426205964390]

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Last modified October 30 06:31 EDT 2020. Contains 338077 sequences. (Running on oeis4.)