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) |
|---|---|
| 0 | 47 |
| 1 | 2022 |
| 2 | 1011 |
| 3 | 337 |
| 4 | 111548 |
| 5 | 55774 |
| 6 | 27887 |
| 7 | 353 |
| 8 | 123198 |
| 9 | 61599 |
| 10 | 20533 |
| 11 | 421357694 |
| 12 | 210678847 |
| 13 | 44385566460664754 |
| 14 | 22192783230332377 |
| 15 | 1707137171564029 |
| 16 | 165918667661 |
| 17 | 27529004277737692540278 |
| 18 | 13764502138868846270139 |
| 19 | 4588167379622948756713 |
| 20 | 352935952278688365901 |
| 21 | 3237944516318241889 |
| 22 | 1577861856421 |
| 23 | 2489648037916767181800822 |