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 | 16661 |
| 2 | 19991 |
| 3 | 1160611 |
| 4 | 1190911 |
| 5 | 1688861 |
| 6 | 1988891 |
| 7 | 101616101 |
| 8 | 101919101 |
| 9 | 106111601 |
| 10 | 106191601 |
| 11 | 109111901 |
| 12 | 109161901 |
| 13 | 116010611 |
| 14 | 116696611 |
| 15 | 119010911 |
| 16 | 119969911 |
| 17 | 160080061 |
| 18 | 160101061 |
| 19 | 166080661 |
| 20 | 169060961 |
| 21 | 188868881 |
| 22 | 188898881 |
| 23 | 190080091 |
| 24 | 190101091 |
| 25 | 196090691 |
| 26 | 199080991 |