A213434 - OEIS

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A213434 as a simple table

n	a(n)
1	1
2	2
3	7
4	41
5	388
6	5789
7	133501
8	4682270
9	246348115
10	19213627145
11	2198376297964
12	365587270414697
13	87628189849380625
14	30044424979717359410
15	14633141237888767056799
16	10059886640779846047089825

[1,2,7,41,388,5789,133501,4682270,246348115, 19213627145,2198376297964,365587270414697, 87628189849380625,30044424979717359410, 14633141237888767056799, 10059886640779846047089825]