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 | 2 |
| 2 | 19 |
| 3 | 29 |
| 4 | 199 |
| 5 | 569 |
| 6 | 809 |
| 7 | 1289 |
| 8 | 1439 |
| 9 | 2539 |
| 10 | 3319 |
| 11 | 3559 |
| 12 | 3919 |
| 13 | 5519 |
| 14 | 9419 |
| 15 | 9539 |
| 16 | 9929 |
| 17 | 11279 |
| 18 | 11549 |
| 19 | 13229 |
| 20 | 14489 |
| 21 | 17239 |
| 22 | 18149 |
| 23 | 18959 |
| 24 | 19319 |
| 25 | 22279 |
| 26 | 24359 |
| 27 | 27529 |
| 28 | 28789 |
| 29 | 32999 |
| 30 | 33029 |
| 31 | 36559 |
| 32 | 42899 |
| 33 | 45259 |
| 34 | 46219 |
| 35 | 49529 |
| 36 | 51169 |
| 37 | 52999 |
| 38 | 55259 |