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 | 517 |
| 2 | 1403 |
| 3 | 2467 |
| 4 | 28265 |
| 5 | 28580 |
| 6 | 49888 |
| 7 | 52396 |
| 8 | 77429 |
| 9 | 81099 |
| 10 | 290936 |
| 11 | 319600 |
| 12 | 394731 |
| 13 | 462803 |
| 14 | 555543 |
| 15 | 601943 |
| 16 | 617716 |
| 17 | 633065 |
| 18 | 634808 |
| 19 | 720401 |
| 20 | 775669 |
| 21 | 884835 |
| 22 | 894024 |
| 23 | 1077432 |
| 24 | 1089360 |
| 25 | 1170136 |
| 26 | 1178152 |
| 27 | 1191789 |
| 28 | 1209357 |