A193100 - OEIS

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A193100 as a simple table

n	a(n)
0	1
1	3
2	63
3	6804
4	1990170
5	1145276496
6	1172421884088
7	1981846981092069
8	5166650461467914874
9	19710026486212156729362
10	105613632141369240315500892
11	768455476842781911036557334267
12	7380326961188107570497477933701847

[1,3,63,6804,1990170,1145276496,1172421884088, 1981846981092069,5166650461467914874, 19710026486212156729362, 105613632141369240315500892, 768455476842781911036557334267, 7380326961188107570497477933701847]