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A270612 as a simple table

na(n)
10
20
38708857332
498204118828408
59214293422949066
64757551848002860896
7285369749616515150016
832625021173112501378696
91060574342507074466039772
1042481155976455567861014856

[0,0,8708857332,98204118828408,9214293422949066,
 4757551848002860896,285369749616515150016,
 32625021173112501378696,1060574342507074466039772,
 42481155976455567861014856]