A359852 - OEIS

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A359852 as a simple table

n	a(n)
2	21
3	504
4	39648
5	6930
6	12669125245488
7	471771076278370
8	32818036405994618064
9	71577732779401085355729600
10	204945946670840805166309694624676331385919836360545974559162291811394735721440

[21,504,39648,6930,12669125245488,471771076278370, 32818036405994618064,71577732779401085355729600, 20494594667084080516630969462467633138591983636054\ 5974559162291811394735721440]