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A172671 as a simple table

n a(n)
1 90
2 202410
3 747558000
4 3536978063850
5 19292117692187340
6 115428185943399529200
7 737005538936597762145600
8 4937928427617947420104982250
9 34335031273255183438800013252500

[90,202410,747558000,3536978063850,
 19292117692187340,115428185943399529200,
 737005538936597762145600,
 4937928427617947420104982250,
 34335031273255183438800013252500]

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Last modified March 19 15:02 EDT 2019. Contains 321330 sequences. (Running on oeis4.)