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 | 561 |
| 2 | 29341 |
| 3 | 46657 |
| 4 | 75361 |
| 5 | 115921 |
| 6 | 162401 |
| 7 | 252601 |
| 8 | 294409 |
| 9 | 314821 |
| 10 | 334153 |
| 11 | 340561 |
| 12 | 399001 |
| 13 | 410041 |
| 14 | 488881 |
| 15 | 512461 |
| 16 | 530881 |
| 17 | 552721 |
| 18 | 656601 |
| 19 | 658801 |
| 20 | 710533 |
| 21 | 721801 |
| 22 | 852841 |
| 23 | 1024651 |
| 24 | 1141141 |
| 25 | 1152271 |
| 26 | 1168513 |
| 27 | 1193221 |
| 28 | 1461241 |
| 29 | 1569457 |
| 30 | 1615681 |