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 | 11 |
| 4 | 29 |
| 5 | 97 |
| 6 | 127 |
| 7 | 149 |
| 8 | 211 |
| 9 | 541 |
| 10 | 907 |
| 11 | 1151 |
| 12 | 1361 |
| 13 | 1693 |
| 14 | 1847 |
| 15 | 2503 |
| 16 | 2999 |
| 17 | 4327 |
| 18 | 5623 |
| 19 | 9587 |
| 20 | 15727 |
| 21 | 16183 |
| 22 | 19373 |
| 23 | 19661 |
| 24 | 28277 |
| 25 | 30631 |
| 26 | 31469 |
| 27 | 31957 |
| 28 | 34123 |
| 29 | 35671 |
| 30 | 43391 |
| 31 | 44351 |
| 32 | 81509 |
| 33 | 82129 |
| 34 | 89753 |
| 35 | 134581 |
| 36 | 156007 |
| 37 | 162209 |
| 38 | 173429 |
| 39 | 188107 |
| 40 | 212777 |
| 41 | 265703 |