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 | 1 |
| 2 | 9 |
| 3 | 15 |
| 4 | 25 |
| 5 | 35 |
| 6 | 329 |
| 7 | 581 |
| 8 | 679 |
| 9 | 3443 |
| 10 | 5753 |
| 11 | 6941 |
| 12 | 9229 |
| 13 | 10417 |
| 14 | 11561 |
| 15 | 14963 |
| 16 | 30043 |
| 17 | 45071 |
| 18 | 120107 |
| 19 | 135187 |
| 20 | 150137 |
| 21 | 255221 |
| 22 | 1786819 |
| 23 | 2552567 |
| 24 | 2807737 |
| 25 | 3063077 |
| 26 | 4849921 |
| 27 | 14549573 |
| 28 | 33948953 |
| 29 | 38798741 |
| 30 | 43648643 |
| 31 | 63048061 |
| 32 | 72747599 |
| 33 | 82447327 |
| 34 | 87297191 |
| 35 | 111546389 |