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 | 389 |
| 2 | 449 |
| 3 | 3217 |
| 4 | 31469 |
| 5 | 79757 |
| 6 | 127297 |
| 7 | 130817 |
| 8 | 136417 |
| 9 | 145349 |
| 10 | 168601 |
| 11 | 179957 |
| 12 | 193577 |
| 13 | 198277 |
| 14 | 205069 |
| 15 | 207377 |
| 16 | 231677 |
| 17 | 255617 |
| 18 | 287137 |
| 19 | 300749 |
| 20 | 384001 |
| 21 | 409589 |
| 22 | 515737 |
| 23 | 648437 |
| 24 | 689917 |
| 25 | 750509 |
| 26 | 824069 |
| 27 | 854869 |
| 28 | 982301 |
| 29 | 1103437 |
| 30 | 1190237 |