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 | 3 |
| 4 | 3 |
| 5 | 6 |
| 6 | 17 |
| 7 | 23 |
| 8 | 25 |
| 9 | 27 |
| 10 | 73 |
| 11 | 84 |
| 12 | 201 |
| 13 | 750 |
| 14 | 24981 |
| 15 | 46882 |
| 16 | 119318 |
| 17 | 121154 |
| 18 | 242807 |
| 19 | 276226 |
| 20 | 3009377 |
| 21 | 3383197 |
| 22 | 37871208 |
| 23 | 45930966 |
| 24 | 261728403 |
| 25 | 281868388 |
| 26 | 3021299588 |
| 27 | 3230725884 |
| 28 | 13646315477 |
| 29 | 30951797814 |
| 30 | 80602040381 |
| 31 | 1016719946612 |
| 32 | 49448385811777 |