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 | 3 |
| 3 | 7 |
| 4 | 11 |
| 5 | 17 |
| 6 | 41 |
| 7 | 47 |
| 8 | 83 |
| 9 | 89 |
| 10 | 307 |
| 11 | 311 |
| 12 | 613 |
| 13 | 617 |
| 14 | 919 |
| 15 | 2801 |
| 16 | 3109 |
| 17 | 3413 |
| 18 | 9283 |
| 19 | 15461 |
| 20 | 25087 |
| 21 | 37781 |
| 22 | 87613 |
| 23 | 106181 |
| 24 | 284509 |
| 25 | 296591 |
| 26 | 618269 |
| 27 | 1196609 |
| 28 | 1774921 |
| 29 | 3564677 |
| 30 | 5339287 |
| 31 | 9818789 |
| 32 | 14295223 |
| 33 | 23196731 |
| 34 | 46393469 |
| 35 | 93691861 |
| 36 | 98171363 |
| 37 | 190948399 |
| 38 | 429204473 |