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A020464 as a simple table

na(n)
13
283
3383
4883
53833
638333
738833
883383
983833
1088883
11333383
12338383
13383833
143333383
153383383
163833833
173838333
183838883
193883333
203888383
218338333
228388833
238838383
248838833
258838883
268883883
2738383883
2883333333
2983883883
3088838333

[3,83,383,883,3833,38333,38833,83383,83833,88883,
 333383,338383,383833,3333383,3383383,3833833,
 3838333,3838883,3883333,3888383,8338333,8388833,
 8838383,8838833,8838883,8883883,38383883,83333333,
 83883883,88838333]