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) |
|---|---|
| 0 | 101 |
| 1 | 113 |
| 2 | 181 |
| 3 | 1277 |
| 4 | 2647 |
| 5 | 11251 |
| 6 | 12161 |
| 7 | 23431 |
| 8 | 15121 |
| 9 | 17291 |
| 10 | 410009 |
| 11 | 213319 |
| 12 | 117281 |
| 13 | 421973 |
| 14 | 127447 |
| 15 | 233759 |
| 16 | 240967 |
| 17 | 249131 |
| 18 | 158329 |
| 19 | 168599 |
| 20 | 180001 |
| 21 | 192611 |
| 22 | 1106489 |
| 23 | 1121671 |
| 24 | 2138249 |
| 25 | 2156251 |
| 26 | 1175767 |
| 27 | 1196837 |
| 28 | 2219527 |
| 29 | 2243893 |
| 30 | 1270001 |
| 31 | 3297911 |
| 32 | 2327681 |