This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 1061 |
| 2 | 1091 |
| 3 | 1601 |
| 4 | 1901 |
| 5 | 10061 |
| 6 | 10091 |
| 7 | 16001 |
| 8 | 19001 |
| 9 | 106861 |
| 10 | 109891 |
| 11 | 168601 |
| 12 | 198901 |
| 13 | 1106881 |
| 14 | 1109881 |
| 15 | 1606081 |
| 16 | 1806061 |
| 17 | 1809091 |
| 18 | 1886011 |
| 19 | 1889011 |
| 20 | 1909081 |
| 21 | 10806881 |
| 22 | 10809881 |
| 23 | 11061811 |
| 24 | 11091811 |
| 25 | 11609681 |
| 26 | 11698691 |
| 27 | 11816011 |
| 28 | 11819011 |
| 29 | 11906981 |