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 | 1406926327 |
| 2 | 2632779269 |
| 3 | 9269005729 |
| 4 | 9045278351 |
| 5 | 9706754921 |
| 6 | 2196759527 |
| 7 | 3835844717 |
| 8 | 6468440141 |
| 9 | 6844014103 |
| 10 | 8216511287 |
| 11 | 8763773147 |
| 12 | 3473538331 |
| 13 | 6273655727 |
| 14 | 9618858059 |
| 15 | 5430487121 |
| 16 | 1300849327 |
| 17 | 9325853203 |
| 18 | 6189528329 |
| 19 | 6802254197 |
| 20 | 3054479927 |
| 21 | 4479927817 |