A221252 - OEIS

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A221252 as a simple table

n	a(n)
1	8
2	392
3	22268
4	1319409
5	78633756
6	4684821704
7	278802326676
8	16577412686597
9	985111139474492
10	58519095228020616
11	3475483474225610814
12	206383882956736627050
13	12254681900155763390448
14	727625190336114167472388

[8,392,22268,1319409,78633756,4684821704, 278802326676,16577412686597,985111139474492, 58519095228020616,3475483474225610814, 206383882956736627050,12254681900155763390448, 727625190336114167472388]