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A068621 as a simple table

na(n)
17
278
3378
41378
591378
67791378
7707914378
83270729214378
9183270773294214378
101783270773268946226147378

[7,78,378,1378,91378,7791378,707914378,
 3270729214378,183270773294214378,
 1783270773268946226147378]