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 | 0 |
| 2 | 1 |
| 3 | 13 |
| 4 | 14 |
| 5 | 27 |
| 6 | 41 |
| 7 | 68 |
| 8 | 109 |
| 9 | 177 |
| 10 | 29314 |
| 11 | 29491 |
| 12 | 58805 |
| 13 | 382321 |
| 14 | 441126 |
| 15 | 823447 |
| 16 | 3734914 |
| 17 | 26967845 |
| 18 | 704898884 |
| 19 | 731866729 |
| 20 | 3632365800 |
| 21 | 4364232529 |
| 22 | 12360830858 |
| 23 | 16725063387 |
| 24 | 45810957632 |
| 25 | 62536021019 |
| 26 | 170882999670 |
| 27 | 233419020689 |
| 28 | 637721041048 |
| 29 | 3422024225929 |
| 30 | 17747842170693 |