A221628 - OEIS

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A221628 as a simple table

n	a(n)
1	1
2	7
3	7279
4	14576404
5	230141263315
6	7575106427737240
7	827196295133181978340
8	177037611175595181692394660
9	86030164534670200470739520304375
10	75149351745335662460465241596540458600

[1,7,7279,14576404,230141263315,7575106427737240, 827196295133181978340,177037611175595181692394660, 86030164534670200470739520304375, 75149351745335662460465241596540458600]