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A162449 as a simple table

na(n)
218
32700
4992250
5250047000
668075295750
7253103949598500
824677635085853750
940753351656067050000
101969563638017107451068750
112619519638562752909921437500
122910024366479362207631724918750

[18,2700,992250,250047000,68075295750,
 253103949598500,24677635085853750,
 40753351656067050000,1969563638017107451068750,
 2619519638562752909921437500,
 2910024366479362207631724918750]