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 | 5 |
| 2 | 7 |
| 3 | 132 |
| 4 | 167 |
| 5 | 406 |
| 6 | 934 |
| 7 | 6223 |
| 8 | 17593 |
| 9 | 102359 |
| 10 | 681328 |
| 11 | 1353044 |
| 12 | 2632746 |
| 13 | 22205155 |
| 14 | 64046056 |
| 15 | 473656750 |
| 16 | 527187892 |
| 17 | 805878645 |
| 18 | 1224438252 |
| 19 | 3073382220 |
| 20 | 5064778663 |
| 21 | 7510104097 |
| 22 | 17906359911 |
| 23 | 23799832655 |
| 24 | 114159565156 |
| 25 | 303450183442 |
| 26 | 557560997283 |
| 27 | 662166504898 |