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) |
|---|---|
| 5 | 22 |
| 6 | 822 |
| 7 | 8547 |
| 8 | 52892 |
| 9 | 238392 |
| 10 | 863289 |
| 11 | 2660889 |
| 12 | 7245414 |
| 13 | 17879004 |
| 14 | 40719679 |
| 15 | 86762676 |
| 16 | 174750576 |
| 17 | 335401976 |
| 18 | 617395086 |
| 19 | 1095642486 |
| 20 | 1882507308 |
| 21 | 3142740258 |
| 22 | 5113062108 |
| 23 | 8127478513 |
| 24 | 12649594188 |
| 25 | 19313392560 |
| 26 | 28974165935 |
| 27 | 42771520935 |
| 28 | 62206645410 |
| 29 | 89236307160 |