A064098 - OEIS

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A064098 as a simple table

n	a(n)
1	1
2	1
3	1
4	2
5	5
6	29
7	433
8	37666
9	48928105
10	5528778008357
11	811537892743746482789
12	13460438563050022083842073547074914
13	32770967840592833551621556305285371426044732591005957081

[1,1,1,2,5,29,433,37666,48928105,5528778008357, 811537892743746482789, 13460438563050022083842073547074914, 32770967840592833551621556305285371426044732591005\ 957081]