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 | 3 |
| 2 | 5 |
| 3 | 11 |
| 4 | 23 |
| 5 | 31 |
| 6 | 73 |
| 7 | 79 |
| 8 | 83 |
| 9 | 109 |
| 10 | 127 |
| 11 | 139 |
| 12 | 181 |
| 13 | 191 |
| 14 | 193 |
| 15 | 197 |
| 16 | 199 |
| 17 | 211 |
| 18 | 241 |
| 19 | 227 |
| 20 | 229 |
| 21 | 233 |
| 22 | 239 |
| 23 | 251 |
| 24 | 257 |
| 25 | 271 |
| 26 | 263 |
| 27 | 269 |
| 28 | 277 |
| 29 | 281 |
| 30 | 293 |