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 | 2 |
| 3 | 5 |
| 4 | 7 |
| 5 | 19 |
| 6 | 13 |
| 7 | 71 |
| 8 | 97 |
| 9 | 265 |
| 10 | 181 |
| 11 | 989 |
| 12 | 1351 |
| 13 | 3691 |
| 14 | 2521 |
| 15 | 13775 |
| 16 | 18817 |
| 17 | 51409 |
| 18 | 35113 |
| 19 | 191861 |
| 20 | 262087 |
| 21 | 716035 |
| 22 | 489061 |
| 23 | 2672279 |
| 24 | 3650401 |
| 25 | 9973081 |
| 26 | 6811741 |
| 27 | 37220045 |
| 28 | 50843527 |
| 29 | 138907099 |
| 30 | 94875313 |
| 31 | 518408351 |
| 32 | 708158977 |
| 33 | 1934726305 |
| 34 | 1321442641 |