A196807 - OEIS

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A196807 as a simple table

n	a(n)
1	1
2	41
3	420
4	8719
5	166682
6	2535368
7	46685074
8	822353649
9	14219232895
10	247793610490
11	4321118145913
12	75358654335980
13	1315206264464536
14	22934359993226090
15	399880131880385285
16	6973750320639071161

[1,41,420,8719,166682,2535368,46685074,822353649, 14219232895,247793610490,4321118145913, 75358654335980,1315206264464536,22934359993226090, 399880131880385285,6973750320639071161]