A268091 - OEIS

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A268091 as a simple table

n	a(n)
1	208
2	129792
3	40109966
4	11291781118
5	2513690254246
6	517166705601727
7	95786441193596382
8	16778389888017506701

[208,129792,40109966,11291781118,2513690254246, 517166705601727,95786441193596382, 16778389888017506701]