A229389 - OEIS

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A229389 as a simple table

n	a(n)
1	560
2	68672
3	5212236
4	345788172
5	22494002188
6	1451228983308
7	93250181644300
8	5979900142878732
9	383094040360124428
10	24530192376561401868
11	1570321873470780080140
12	100513065865910817914892

[560,68672,5212236,345788172,22494002188, 1451228983308,93250181644300,5979900142878732, 383094040360124428,24530192376561401868, 1570321873470780080140,100513065865910817914892]