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A173115 as a simple table

na(n)
00
124
22400
3235224
423049600
52258625624
6221322261600
721687323011224
82125136332838400
9208241673295152024
1020405558846592060000
111999536525292726728024
12195934173919840627286400

[0,24,2400,235224,23049600,2258625624,
 221322261600,21687323011224,2125136332838400,
 208241673295152024,20405558846592060000,
 1999536525292726728024,195934173919840627286400]