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 | 13 |
| 2 | 587 |
| 3 | 1361 |
| 4 | 15227 |
| 5 | 118967 |
| 6 | 337721 |
| 7 | 383267 |
| 8 | 512891 |
| 9 | 1027331 |
| 10 | 1780151 |
| 11 | 2303681 |
| 12 | 8200391 |
| 13 | 9310517 |
| 14 | 14666579 |
| 15 | 25005089 |
| 16 | 29105981 |
| 17 | 34824971 |
| 18 | 38895497 |
| 19 | 40436909 |
| 20 | 51819461 |
| 21 | 63462977 |
| 22 | 65427749 |
| 23 | 65599199 |
| 24 | 66043091 |
| 25 | 75552479 |
| 26 | 94671671 |