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 | 233 |
| 2 | 313 |
| 3 | 493 |
| 4 | 905 |
| 5 | 1565 |
| 6 | 2725 |
| 7 | 5197 |
| 8 | 9077 |
| 9 | 15857 |
| 10 | 30277 |
| 11 | 52897 |
| 12 | 92417 |
| 13 | 176465 |
| 14 | 308305 |
| 15 | 538645 |
| 16 | 1028513 |
| 17 | 1796933 |
| 18 | 3139453 |
| 19 | 5994613 |
| 20 | 10473293 |
| 21 | 18298073 |
| 22 | 34939165 |
| 23 | 61042825 |
| 24 | 106648985 |
| 25 | 203640377 |
| 26 | 355783657 |
| 27 | 621595837 |
| 28 | 1186903097 |