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 | 34 |
| 2 | 973 |
| 3 | 15490 |
| 4 | 103391 |
| 5 | 504337 |
| 6 | 1849215 |
| 7 | 5741427 |
| 8 | 15287517 |
| 9 | 36930573 |
| 10 | 81191087 |
| 11 | 167048183 |
| 12 | 322740017 |
| 13 | 594609571 |
| 14 | 1046606337 |
| 15 | 1778111533 |
| 16 | 2918485227 |
| 17 | 4659291144 |
| 18 | 7241632621 |
| 19 | 11008136317 |
| 20 | 16375938194 |
| 21 | 23924161904 |
| 22 | 34337250191 |