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A065581 as a simple table

na(n)
17
2277
31777
447777
52477777
616777777
7137777777
8577777777
91777777777
1067777777777
11377777777777
1216777777777777
1317777777777777
14577777777777777
152777777777777777
16157777777777777777

[7,277,1777,47777,2477777,16777777,137777777,
 577777777,1777777777,67777777777,377777777777,
 16777777777777,17777777777777,577777777777777,
 2777777777777777,157777777777777777]

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Last modified September 23 10:21 EDT 2024. Contains 376154 sequences. (Running on oeis4.)