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 | 5 |
| 1 | 13 |
| 2 | 30 |
| 3 | 59 |
| 4 | 109 |
| 5 | 187 |
| 6 | 312 |
| 7 | 497 |
| 8 | 775 |
| 9 | 1176 |
| 10 | 1753 |
| 11 | 2561 |
| 12 | 3694 |
| 13 | 5245 |
| 14 | 7366 |
| 15 | 10223 |
| 16 | 14056 |
| 17 | 19137 |
| 18 | 25853 |
| 19 | 34637 |
| 20 | 46092 |
| 21 | 60910 |
| 22 | 80009 |
| 23 | 104462 |
| 24 | 135674 |
| 25 | 175274 |