A069876 - OEIS

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A069876 as a simple table

n	a(n)
1	1
2	13
3	405
4	23058
5	2078375
6	271739011
7	48574262275
8	11373936899396
9	3377498614484589
10	1240006139651007925
11	551449374186192949841
12	292093390490112799117190
13	181694111127303339553250275

[1,13,405,23058,2078375,271739011,48574262275, 11373936899396,3377498614484589, 1240006139651007925,551449374186192949841, 292093390490112799117190, 181694111127303339553250275]