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 | 61 |
| 2 | 65479 |
| 3 | 84289 |
| 4 | 106609 |
| 5 | 225649 |
| 6 | 275599 |
| 7 | 453589 |
| 8 | 1869505 |
| 9 | 2272555 |
| 10 | 2738291 |
| 11 | 3221951 |
| 12 | 1667833021 |
| 13 | 2475062749 |
| 14 | 2525062249 |
| 15 | 3500010739 |
| 16 | 9032526511 |
| 17 | 9225507211 |
| 18 | 1753016898055 |
| 19 | 1860598847399 |
| 20 | 3233666953849 |
| 21 | 3379207972471 |