A201698 - OEIS

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A201698 as a simple table

n	a(n)
1	3
2	48
3	2068
4	167625
5	14268351
6	795339012
7	27102769900
8	615440785548
9	10106227864338
10	127441635892627
11	1290114077123683
12	10846768837607450
13	77797729805055016
14	486398599750167133
15	2697872438447793007

[3,48,2068,167625,14268351,795339012,27102769900, 615440785548,10106227864338,127441635892627, 1290114077123683,10846768837607450, 77797729805055016,486398599750167133, 2697872438447793007]