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 | 2465 |
| 3 | 2821 |
| 4 | 8911 |
| 5 | 29341 |
| 6 | 62745 |
| 7 | 63973 |
| 8 | 101101 |
| 9 | 162401 |
| 10 | 188461 |
| 11 | 314821 |
| 12 | 512461 |
| 13 | 656601 |
| 14 | 1024651 |
| 15 | 1033669 |
| 16 | 1152271 |
| 17 | 1193221 |
| 18 | 1909001 |
| 19 | 2100901 |
| 20 | 2508013 |
| 21 | 2531845 |
| 22 | 3146221 |
| 23 | 5031181 |
| 24 | 5444489 |
| 25 | 5481451 |
| 26 | 6733693 |
| 27 | 6868261 |
| 28 | 8719309 |
| 29 | 8927101 |
| 30 | 9494101 |