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A157560 as a simple table

n a(n)
2 1
3 9
4 54
5 4730
6 384345
7 17551611
8 639200583
9 21540673143
10 709364141280
11 22449552443395
12 690983408959437
13 20713553342449344
14 594627688939323130
15 16245942354519666285
16 424430686079103349170
17 10684143371864906288080

[1,9,54,4730,384345,17551611,639200583,
 21540673143,709364141280,22449552443395,
 690983408959437,20713553342449344,
 594627688939323130,16245942354519666285,
 424430686079103349170,10684143371864906288080]

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Last modified April 17 20:27 EDT 2024. Contains 371767 sequences. (Running on oeis4.)