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A167212 as a simple table

na(n)
01
125
2600
314400
4345600
58294400
6199065600
74777574400
8114661785600
92751882854400
1066045188505600
111585084524134400
1238042028579225600
13913008685901414400
1421912208461633945300
15525893003079214680000

[1,25,600,14400,345600,8294400,199065600,
 4777574400,114661785600,2751882854400,
 66045188505600,1585084524134400,38042028579225600,
 913008685901414400,21912208461633945300,
 525893003079214680000]