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A321814 as a simple table

na(n)
11
21
359050
41
59765626
659050
7282475250
81
93486843451
109765626
1125937424602
1259050
13137858491850
14282475250
15576660215300
161
172015993900450
183486843451
196131066257802
209765626
2116680163512500
2225937424602
2341426511213650
2459050

[1,1,59050,1,9765626,59050,282475250,1,3486843451,
 9765626,25937424602,59050,137858491850,282475250,
 576660215300,1,2015993900450,3486843451,
 6131066257802,9765626,16680163512500,25937424602,
 41426511213650,59050]