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 | 3 |
| 2 | 29 |
| 3 | 43 |
| 4 | 83 |
| 5 | 133 |
| 6 | 209 |
| 7 | 271 |
| 8 | 329 |
| 9 | 415 |
| 10 | 727 |
| 11 | 2437 |
| 12 | 5673 |
| 13 | 6879 |
| 14 | 7813 |
| 15 | 8125 |
| 16 | 11931 |
| 17 | 29433 |
| 18 | 29491 |
| 19 | 38397 |
| 20 | 91141 |
| 21 | 99459 |
| 22 | 110935 |
| 23 | 127247 |