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 | 7 |
| 2 | 19 |
| 3 | 43 |
| 4 | 241 |
| 5 | 1327 |
| 6 | 4363 |
| 7 | 7789 |
| 8 | 22189 |
| 9 | 24247 |
| 10 | 38461 |
| 11 | 40237 |
| 12 | 69499 |
| 13 | 480169 |
| 14 | 1164607 |
| 15 | 1207699 |
| 16 | 1467937 |
| 17 | 1526659 |
| 18 | 3975721 |
| 19 | 11962651 |
| 20 | 14466637 |
| 21 | 19097257 |
| 22 | 30097861 |
| 23 | 39895309 |
| 24 | 198389311 |
| 25 | 303644227 |
| 26 | 393202123 |
| 27 | 485949253 |
| 28 | 680676109 |
| 29 | 1917214927 |
| 30 | 3868900621 |
| 31 | 4899889741 |
| 32 | 6957509653 |
| 33 | 7599382573 |