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 | 349 |
| 2 | 1049 |
| 3 | 1733 |
| 4 | 33749 |
| 5 | 53849 |
| 6 | 79549 |
| 7 | 135449 |
| 8 | 381949 |
| 9 | 535849 |
| 10 | 558149 |
| 11 | 692249 |
| 12 | 1036349 |
| 13 | 1156249 |
| 14 | 1483549 |
| 15 | 1871449 |
| 16 | 2304349 |
| 17 | 3097769 |
| 18 | 6181349 |
| 19 | 6411049 |
| 20 | 8809049 |
| 21 | 10355549 |
| 22 | 11102249 |
| 23 | 16401701 |
| 24 | 16491521 |
| 25 | 22867549 |
| 26 | 26419769 |
| 27 | 27457889 |
| 28 | 30603049 |
| 29 | 31728577 |
| 30 | 34176557 |