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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 11111 |
| 2 | 111110 |
| 3 | 111111 |
| 4 | 1111100 |
| 5 | 1111110 |
| 6 | 1111111 |
| 7 | 11111000 |
| 8 | 11111100 |
| 9 | 11111110 |
| 10 | 11111111 |
| 11 | 111110000 |
| 12 | 111111000 |
| 13 | 111111100 |
| 14 | 111111110 |
| 15 | 111111111 |
| 16 | 1111100000 |
| 17 | 1111110000 |
| 18 | 1111111000 |
| 19 | 1111111100 |
| 20 | 1111111110 |
| 21 | 1111111111 |
[0,11111,111110,111111,1111100,1111110,1111111, 11111000,11111100,11111110,11111111,111110000, 111111000,111111100,111111110,111111111, 1111100000,1111110000,1111111000,1111111100, 1111111110,1111111111] |