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A273820 as a simple table

n a(n)
0 1
1 6
2 420
3 360360
4 72201776446800
5 591133442051411133755680800
6 6676878045498705789701874602220118271269436344024536000

[1,6,420,360360,72201776446800,
 591133442051411133755680800,
 66768780454987057897018746022201182712694363440245\
 36000]

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Last modified May 8 08:51 EDT 2021. Contains 343666 sequences. (Running on oeis4.)