A317064 - OEIS

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A317064 as a simple table

n	a(n)
1	1
2	908
3	29339
4	2403703
5	186574154
6	14920072888
7	1197129513001
8	96317261216226
9	7756014658872472
10	624809763949119909
11	50341640351921902734
12	4056352364979422842728
13	326855659057553202836776

[1,908,29339,2403703,186574154,14920072888, 1197129513001,96317261216226,7756014658872472, 624809763949119909,50341640351921902734, 4056352364979422842728,326855659057553202836776]