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A083805 as a simple table

na(n)
11
26
340
4300
52400
620000
7171429
81500004
913333369
101200003211
1110909120100
12100000267584
139230793930832
1485714515072012
158000021406721121
16750002006880105095
177058842417695106777
1866666845056009341783

[1,6,40,300,2400,20000,171429,1500004,13333369,
 1200003211,10909120100,100000267584,9230793930832,
 85714515072012,8000021406721121,
 750002006880105095,7058842417695106777,
 66666845056009341783]