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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 | 12 |
| 3 | 123 |
| 4 | 1234 |
| 5 | 123410 |
| 6 | 12341011 |
| 7 | 1234101112 |
| 8 | 123410111213 |
| 9 | 12341011121314 |
| 10 | 1234101112131420 |
| 11 | 123410111213142021 |
| 12 | 12341011121314202122 |
| 13 | 1234101112131420212223 |
| 14 | 123410111213142021222324 |
| 15 | 12341011121314202122232430 |
| 16 | 1234101112131420212223243031 |
[1,12,123,1234,123410,12341011,1234101112, 123410111213,12341011121314,1234101112131420, 123410111213142021,12341011121314202122, 1234101112131420212223,123410111213142021222324, 12341011121314202122232430, 1234101112131420212223243031] |