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 | 3 |
| 2 | 5 |
| 3 | 7 |
| 4 | 11 |
| 5 | 221 |
| 6 | 323 |
| 7 | 437 |
| 8 | 23 |
| 9 | 899 |
| 10 | 1147 |
| 11 | 1517 |
| 12 | 82861 |
| 13 | 107113 |
| 14 | 2491 |
| 15 | 3127 |
| 16 | 241133 |
| 17 | 21182921 |
| 18 | 347261 |
| 19 | 33984931 |
| 20 | 478661 |
| 21 | 583573 |
| 22 | 7387 |
| 23 | 8633 |
| 24 | 107972737 |
| 25 | 13710311357 |
| 26 | 135745657 |
| 27 | 1317919 |
| 28 | 12317 |
| 29 | 14351 |
| 30 | 16637 |
| 31 | 2494633 |
| 32 | 428448457 |
| 33 | 490995677 |
| 34 | 3532343 |
| 35 | 645328247 |