A114534 - OEIS

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A114534 as a simple table

n	a(n)
2	1
3	132
4	1460808
5	6357011889600
6	44491520971919463292800
7	2082476039060691409777705387034081280
8	2712373659248840873249840585282508476815021942277876736

[1,132,1460808,6357011889600, 44491520971919463292800, 2082476039060691409777705387034081280, 27123736592488408732498405852825084768150219422778\ 76736]