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A157559 as a simple table

n a(n)
2 1
3 3
4 162
5 5470
6 204405
7 10044237
8 418371436
9 15735232164
10 556455670755
11 18061671242945
12 536877862194894
13 14910514196745102
14 397858116730316515
15 10322446421549098305
16 260281325962170069480
17 6368185576937692717552

[1,3,162,5470,204405,10044237,418371436,
 15735232164,556455670755,18061671242945,
 536877862194894,14910514196745102,
 397858116730316515,10322446421549098305,
 260281325962170069480,6368185576937692717552]

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Last modified April 25 13:12 EDT 2024. Contains 371969 sequences. (Running on oeis4.)