A251211 - OEIS

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A251211 as a simple table

n	a(n)
1	9
2	63
3	758
4	16911
5	666522
6	48781920
7	6424279907
8	1559013699145
9	686199785166132
10	553366441376509592
11	812147106821250119851
12	2177986074523549871596544
13	10645119952388702328957451736

[9,63,758,16911,666522,48781920,6424279907, 1559013699145,686199785166132,553366441376509592, 812147106821250119851,2177986074523549871596544, 10645119952388702328957451736]