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 | 2329 |
| 2 | 4369 |
| 3 | 10537 |
| 4 | 35209 |
| 5 | 281929 |
| 6 | 1114129 |
| 7 | 8978569 |
| 8 | 16843009 |
| 9 | 143163649 |
| 10 | 286331153 |
| 11 | 1086374209 |
| 12 | 4295098369 |
| 13 | 9198250129 |
| 14 | 18325194049 |
| 15 | 36507844609 |
| 16 | 73016672273 |
| 17 | 139055899009 |
| 18 | 277033877569 |
| 19 | 586397253889 |
| 20 | 1103840280833 |
| 21 | 4673067091009 |
| 22 | 9382516064513 |
| 23 | 17868687216769 |