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 | 2 |
| 2 | 5 |
| 3 | 19 |
| 4 | 53 |
| 5 | 71 |
| 6 | 79 |
| 7 | 89 |
| 8 | 113 |
| 9 | 157 |
| 10 | 167 |
| 11 | 199 |
| 12 | 311 |
| 13 | 359 |
| 14 | 439 |
| 15 | 521 |
| 16 | 541 |
| 17 | 587 |
| 18 | 593 |
| 19 | 613 |
| 20 | 769 |
| 21 | 947 |
| 22 | 977 |
| 23 | 1009 |
| 24 | 1097 |
| 25 | 1171 |
| 26 | 1223 |
| 27 | 1249 |
| 28 | 1289 |
| 29 | 1427 |
| 30 | 1447 |