A019063 - OEIS

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A019063 as a simple table

n	a(n)
2	1
3	14
4	39
5	294
6	1379
7	8928
8	51388
9	324812
10	2004773
11	12834757
12	82619057
13	542545680
14	3601617244
15	24250827504
16	165252463271

[1,14,39,294,1379,8928,51388,324812,2004773, 12834757,82619057,542545680,3601617244, 24250827504,165252463271]