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 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 15 |
| 4 | 29 |
| 5 | 55 |
| 6 | 93 |
| 7 | 247 |
| 8 | 477 |
| 9 | 887 |
| 10 | 1501 |
| 11 | 3959 |
| 12 | 7645 |
| 13 | 14199 |
| 14 | 24029 |
| 15 | 63351 |
| 16 | 122333 |
| 17 | 227191 |
| 18 | 384477 |
| 19 | 1013623 |
| 20 | 1957341 |
| 21 | 3635063 |
| 22 | 6151645 |
| 23 | 16217975 |
| 24 | 31317469 |
| 25 | 58161015 |
| 26 | 98426333 |
| 27 | 259487607 |
| 28 | 501079517 |
| 29 | 930576247 |
| 30 | 1574821341 |
| 31 | 4151801719 |
| 32 | 8017272285 |