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 | 2 |
| 2 | 5 |
| 3 | 13 |
| 4 | 35 |
| 5 | 75 |
| 6 | 159 |
| 7 | 275 |
| 8 | 477 |
| 9 | 755 |
| 10 | 1163 |
| 11 | 1659 |
| 12 | 2373 |
| 13 | 3243 |
| 14 | 4429 |
| 15 | 5799 |
| 16 | 7489 |
| 17 | 9467 |
| 18 | 11981 |
| 19 | 14791 |
| 20 | 18275 |
| 21 | 22215 |
| 22 | 26815 |
| 23 | 31847 |
| 24 | 37861 |
| 25 | 44499 |
| 26 | 52213 |
| 27 | 60543 |
| 28 | 70011 |
| 29 | 80347 |
| 30 | 92263 |
| 31 | 105003 |
| 32 | 119557 |
| 33 | 135327 |
| 34 | 152773 |
| 35 | 171275 |
| 36 | 191721 |
| 37 | 213547 |
| 38 | 237953 |