A106413 - OEIS

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A106413 as a simple table

n	a(n)
1	3
2	33
3	30
4	330
5	3570
6	30030
7	3015870
8	30120090
9	300690390
10	30043474230
11	304075581810
12	30035662366710
13	304250263527210
14	30078810535603830
15	3001252188252588270
16	32589158477190044730
17	3003056284355533696290

[3,33,30,330,3570,30030,3015870,30120090, 300690390,30043474230,304075581810,30035662366710, 304250263527210,30078810535603830, 3001252188252588270,32589158477190044730, 3003056284355533696290]