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 | 8 |
| 3 | 18 |
| 4 | 26 |
| 5 | 27 |
| 6 | 53 |
| 7 | 344 |
| 8 | 539 |
| 9 | 1221 |
| 10 | 6869 |
| 11 | 7271 |
| 12 | 10753 |
| 13 | 17742 |
| 14 | 33289 |
| 15 | 59688 |
| 16 | 156649 |
| 17 | 949350 |
| 18 | 2291181 |
| 19 | 3115026 |
| 20 | 3283468 |
| 21 | 4148225 |
| 22 | 4493333 |
| 23 | 18012397 |
| 24 | 80433020 |
| 25 | 218082214 |
| 26 | 268274214 |
| 27 | 639257836 |
| 28 | 4081484513 |
| 29 | 9373412685 |
| 30 | 28315174578 |
| 31 | 43438521639 |
| 32 | 208170358834 |