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A163177 as a simple table

na(n)
01
126
2650
316250
4405925
510140000
6253297200
76327360000
8158057355300
93948270300000
1098627731207200
112463719204700000
1261543667742382800
131537359871188960000
1438403225875902867200
15959311990194611040000

[1,26,650,16250,405925,10140000,253297200,
 6327360000,158057355300,3948270300000,
 98627731207200,2463719204700000,61543667742382800,
 1537359871188960000,38403225875902867200,
 959311990194611040000]