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 | 53173 |
| 2 | 87541 |
| 3 | 100621 |
| 4 | 124909 |
| 5 | 137341 |
| 6 | 164341 |
| 7 | 192611 |
| 8 | 226549 |
| 9 | 230101 |
| 10 | 241861 |
| 11 | 260317 |
| 12 | 262909 |
| 13 | 288661 |
| 14 | 309541 |
| 15 | 352309 |
| 16 | 371029 |
| 17 | 425701 |
| 18 | 458701 |
| 19 | 461891 |
| 20 | 463741 |
| 21 | 476029 |
| 22 | 490741 |
| 23 | 491461 |
| 24 | 562021 |
| 25 | 569869 |
| 26 | 627661 |
| 27 | 640069 |
| 28 | 661621 |
| 29 | 664141 |
| 30 | 690541 |