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 | 11 |
| 2 | 181 |
| 3 | 127 |
| 4 | 641 |
| 5 | 11251 |
| 6 | 2161 |
| 7 | 10343 |
| 8 | 15121 |
| 9 | 10729 |
| 10 | 1000081 |
| 11 | 81331 |
| 12 | 117281 |
| 13 | 12197 |
| 14 | 1274401 |
| 15 | 33751 |
| 16 | 40961 |
| 17 | 84913 |
| 18 | 58321 |
| 19 | 106859 |
| 20 | 180001 |
| 21 | 89261 |
| 22 | 1064801 |
| 23 | 812167 |
| 24 | 138241 |
| 25 | 8156251 |
| 26 | 10175761 |
| 27 | 196831 |
| 28 | 2195201 |
| 29 | 2438911 |
| 30 | 270001 |
| 31 | 297911 |