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A093945 as a simple table

na(n)
1499
24999
349999
44999999
5499999999999999
64999999999999999999999999999999999999999999999999999999

[499,4999,49999,4999999,499999999999999,
 49999999999999999999999999999999999999999999999999\
 99999]