A210929 - OEIS

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A210929 as a simple table

n	a(n)
1	1
2	3
3	42
4	2316
5	320744
6	106842320
7	85415568160
8	163885278844480
9	754594332585922688
10	8337847863812427968768
11	221082535444417970063262208

[1,3,42,2316,320744,106842320,85415568160, 163885278844480,754594332585922688, 8337847863812427968768, 221082535444417970063262208]