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A017237 as a simple table

na(n)
07776
1759375
27962624
339135393
4130691232
5345025251
6777600000
71564031349
82887174368
94984209207
108153726976
1112762815625
1219254145824
1328153056843
1440074642432
1555730836701
1675937500000

[7776,759375,7962624,39135393,130691232,345025251,
 777600000,1564031349,2887174368,4984209207,
 8153726976,12762815625,19254145824,28153056843,
 40074642432,55730836701,75937500000]