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A197439 as a simple table

n a(n)
1 66
2 12450
3 1933358
4 279785830
5 41434710920
6 6117749044788
7 903529041581340
8 133441483281347232
9 19707781710109683796
10 2910613305873428168598
11 429864171311414595234150
12 63486005383317296504335560 

[66,12450,1933358,279785830,41434710920,
 6117749044788,903529041581340,133441483281347232,
 19707781710109683796,2910613305873428168598,
 429864171311414595234150,
 63486005383317296504335560]

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Last modified June 2 20:13 EDT 2023. Contains 363100 sequences. (Running on oeis4.)