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A283209 as a simple table

na(n)
1299777
2299977
329999777
4299999977
52999999777
6299999999777
72999977777777
8299999999999977
92999999999977777777
102999999999999999977
11299999999999977777777
12299999999999999999977
132999999999999999777777

[299777,299977,29999777,299999977,2999999777,
 299999999777,2999977777777,299999999999977,
 2999999999977777777,2999999999999999977,
 299999999999977777777,299999999999999999977,
 2999999999999999777777]