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A053338 as a simple table

na(n)
16
296
3696
49696
569696
6669696
76669696
896669696
9696669696
109696669696
1169696669696
12969696669696
139969696669696
1469969696669696
15969969696669696
169969969696669696
1799969969696669696
18999969969696669696

[6,96,696,9696,69696,669696,6669696,96669696,
 696669696,9696669696,69696669696,969696669696,
 9969696669696,69969696669696,969969696669696,
 9969969696669696,99969969696669696,
 999969969696669696]