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 | 209 |
| 2 | 308 |
| 3 | 407 |
| 4 | 506 |
| 5 | 605 |
| 6 | 704 |
| 7 | 803 |
| 8 | 902 |
| 9 | 10109 |
| 10 | 10208 |
| 11 | 10307 |
| 12 | 10406 |
| 13 | 10505 |
| 14 | 10604 |
| 15 | 10703 |
| 16 | 10802 |
| 17 | 10901 |
| 18 | 20108 |
| 19 | 20207 |
| 20 | 20306 |
| 21 | 20405 |
| 22 | 20504 |
| 23 | 20603 |
| 24 | 20702 |
| 25 | 20801 |
| 26 | 30107 |
| 27 | 30206 |
| 28 | 30305 |
| 29 | 30404 |
| 30 | 30503 |
| 31 | 30602 |
| 32 | 30701 |
| 33 | 40106 |
| 34 | 40205 |
| 35 | 40304 |
| 36 | 40403 |