A208871 - OEIS

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A208871 as a simple table

n	a(n)
1	715
2	4578580
3	32271626438
4	228847686794351
5	1624001903270517563
6	11525604443642285224422
7	81798476241280856702695038
8	580533377647449287012352167379
9	4120113916814898485216382089787455

[715,4578580,32271626438,228847686794351, 1624001903270517563,11525604443642285224422, 81798476241280856702695038, 580533377647449287012352167379, 4120113916814898485216382089787455]