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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 10 |
| 7 | 21 |
| 8 | 38 |
| 9 | 78 |
| 10 | 153 |
| 11 | 314 |
| 12 | 632 |
| 13 | 1313 |
| 14 | 2700 |
| 15 | 5646 |
| 16 | 11786 |
| 17 | 24831 |
| 18 | 52348 |
| 19 | 111027 |
| 20 | 235834 |
| 21 | 502986 |
| 22 | 1074739 |
| 23 | 2303146 |
| 24 | 4944507 |
| 25 | 10639201 |
| 26 | 22930493 |
| 27 | 49511948 |
| 28 | 107065966 |
| 29 | 231874164 |
| 30 | 502834328 |
| 31 | 1091842824 |
| 32 | 2373565195 |
| 33 | 5165713137 |
| 34 | 11254029616 |
| 35 | 24542260010 |