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A109867 as a simple table

n a(n)
1 12
2 297
3 539055
4 12949081200
5 167631138529627443759
6 888408727567955042239409874101472777521040
7 787659989217062162749912989661115208857840881836480202901460330472578518132645989056

[12,297,539055,12949081200,167631138529627443759,
 888408727567955042239409874101472777521040,
 78765998921706216274991298966111520885784088183648\
 0202901460330472578518132645989056]

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Last modified August 13 05:18 EDT 2022. Contains 356077 sequences. (Running on oeis4.)