A205311 - OEIS

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A205311 as a simple table

n	a(n)
1	8
2	84
3	2606
4	193664
5	33865634
6	13956665238
7	13574876544398
8	31191658416342676
9	169426507164530254382
10	2176592549084872196370726
11	66158464020552857153017287242
12	4759146677426447759184119036493678

[8,84,2606,193664,33865634,13956665238, 13574876544398,31191658416342676, 169426507164530254382,2176592549084872196370726, 66158464020552857153017287242, 4759146677426447759184119036493678]