A094073 - OEIS

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A094073 as a simple table

n	a(n)
1	4
2	240
3	49938
4	24608160
5	23465221750
6	38341895571708
7	98780305524248572
8	377796303580335320432
9	2048907276496726375662702
10	15198414983297581845761672560
11	149768511689247547252666676150490

[4,240,49938,24608160,23465221750,38341895571708, 98780305524248572,377796303580335320432, 2048907276496726375662702, 15198414983297581845761672560, 149768511689247547252666676150490]