A163803 - OEIS

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A163803 as a simple table

n	a(n)
0	1
1	47
2	2162
3	99452
4	4574792
5	210439351
6	9680160420
7	445285093005
8	20483009107740
9	942213581113500
10	43341602191631640
11	1993703464046530125
12	91709888457205975050
13	4218633208251709753275
14	194056131188825472581550

[1,47,2162,99452,4574792,210439351,9680160420, 445285093005,20483009107740,942213581113500, 43341602191631640,1993703464046530125, 91709888457205975050,4218633208251709753275, 194056131188825472581550]