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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 9 |
| 5 | 71 |
| 6 | 73 |
| 7 | 79 |
| 8 | 711 |
| 9 | 713 |
| 10 | 717 |
| 11 | 971 |
| 12 | 973 |
| 13 | 1111 |
| 14 | 1113 |
| 15 | 1117 |
| 16 | 1119 |
| 17 | 7111 |
| 18 | 7113 |
| 19 | 7117 |
| 20 | 9711 |
| 21 | 9713 |
| 22 | 11111 |
| 23 | 11113 |
| 24 | 11117 |
| 25 | 11119 |
| 26 | 71111 |
| 27 | 71113 |
| 28 | 71117 |
| 29 | 97111 |
| 30 | 97113 |
| 31 | 111111 |
| 32 | 111113 |
| 33 | 111117 |
| 34 | 111119 |
| 35 | 711111 |
| 36 | 711113 |
| 37 | 711117 |
| 38 | 971111 |
[1,3,7,9,71,73,79,711,713,717,971,973,1111,1113, 1117,1119,7111,7113,7117,9711,9713,11111,11113, 11117,11119,71111,71113,71117,97111,97113,111111, 111113,111117,111119,711111,711113,711117,971111] |