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) |
|---|---|
| 2 | 1 |
| 3 | 1 |
| 4 | 11 |
| 5 | 49 |
| 6 | 59 |
| 7 | 131 |
| 8 | 559 |
| 9 | 14533 |
| 10 | 15289 |
| 11 | 33031 |
| 12 | 34417 |
| 13 | 441877 |
| 14 | 452173 |
| 15 | 2224829 |
| 16 | 9034451 |
| 17 | 152504587 |
| 18 | 155227307 |
| 19 | 2932982513 |
| 20 | 2967901397 |
| 21 | 2945730677 |
| 22 | 2971126229 |
| 23 | 6189267977 |
| 24 | 6250111487 |
| 25 | 155668689479 |
| 26 | 156604743479 |
| 27 | 1404034379311 |
| 28 | 1411857116311 |
| 29 | 5835711932717 |