A264947 - OEIS

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A264947 as a simple table

n	a(n)
1	1
2	60
3	3201
4	184740
5	11375145
6	730983420
7	48402531561
8	3282992503164
9	226854309720993
10	15915758107113276
11	1130694005695927761
12	81177583723495750340
13	5880587303767912833417
14	429300706847441007321756

[1,60,3201,184740,11375145,730983420,48402531561, 3282992503164,226854309720993,15915758107113276, 1130694005695927761,81177583723495750340, 5880587303767912833417,429300706847441007321756]