A113548 - OEIS

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A113548 as a simple table

n	a(n)
1	13
2	12
3	132
4	1518
5	15015
6	204204
7	10444434
8	241879638
9	20340535215
10	242194868916
11	136969856585562
12	2400532020354468
13	484576809394483806
14	200939345091539746692

[13,12,132,1518,15015,204204,10444434,241879638, 20340535215,242194868916,136969856585562, 2400532020354468,484576809394483806, 200939345091539746692]