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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A204559 as a simple table

na(n)
124
2840
31680
426880
5196560
6786240
719656000
8365601600
91392431040
1019061602560
1168229120960
12272916483840

[24,840,1680,26880,196560,786240,19656000,
 365601600,1392431040,19061602560,68229120960,
 272916483840]