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 | 3 |
| 3 | 10 |
| 4 | 11 |
| 5 | 109 |
| 6 | 12 |
| 7 | 1189 |
| 8 | 119 |
| 9 | 1297 |
| 10 | 131 |
| 11 | 141481 |
| 12 | 118 |
| 13 | 1543321 |
| 14 | 1429 |
| 15 | 15445 |
| 16 | 14159 |
| 17 | 183642229 |
| 18 | 1299 |
| 19 | 2003229469 |
| 20 | 14041 |
| 21 | 1837837 |
| 22 | 170039 |
| 23 | 238367471761 |
| 24 | 14158 |
| 25 | 23854956949 |
| 26 | 1854841 |
| 27 | 2186871697 |
| 28 | 1670761 |
| 29 | 309400794703549 |