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 | 23 |
| 2 | 57 |
| 3 | 1113 |
| 4 | 1719 |
| 5 | 2329 |
| 6 | 3137 |
| 7 | 4143 |
| 8 | 4753 |
| 9 | 5961 |
| 10 | 6771 |
| 11 | 7379 |
| 12 | 8389 |
| 13 | 97101 |
| 14 | 103107 |
| 15 | 109113 |
| 16 | 127131 |
| 17 | 137139 |
| 18 | 149151 |
| 19 | 157163 |
| 20 | 167173 |
| 21 | 179181 |
| 22 | 191193 |
| 23 | 197199 |
| 24 | 211223 |
| 25 | 227229 |
| 26 | 233239 |
| 27 | 241251 |
| 28 | 257263 |
| 29 | 269271 |
| 30 | 277281 |
| 31 | 283293 |
| 32 | 307311 |
| 33 | 313317 |
| 34 | 331337 |
| 35 | 347349 |
| 36 | 353359 |