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 | 71 |
| 3 | 311 |
| 4 | 359 |
| 5 | 599 |
| 6 | 6551 |
| 7 | 37423 |
| 8 | 42703 |
| 9 | 66751 |
| 10 | 183823 |
| 11 | 259583 |
| 12 | 308263 |
| 13 | 471391 |
| 14 | 1071023 |
| 15 | 1801727 |
| 16 | 5904247 |
| 17 | 6886367 |
| 18 | 16936991 |
| 19 | 22414079 |
| 20 | 38821039 |
| 21 | 63978127 |
| 22 | 84165271 |
| 23 | 147453599 |
| 24 | 150335431 |
| 25 | 239423519 |
| 26 | 300412927 |
| 27 | 387155903 |
| 28 | 473154943 |
| 29 | 539527199 |
| 30 | 760401839 |
| 31 | 788129191 |