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 | 5 |
| 3 | 10 |
| 4 | 69 |
| 5 | 26 |
| 6 | 1310 |
| 7 | 50 |
| 8 | 4165 |
| 9 | 739 |
| 10 | 10030 |
| 11 | 122 |
| 12 | 2987358 |
| 13 | 170 |
| 14 | 38470 |
| 15 | 50660 |
| 16 | 1052741 |
| 17 | 290 |
| 18 | 34014263 |
| 19 | 362 |
| 20 | 64010094 |
| 21 | 194540 |
| 22 | 234382 |
| 23 | 530 |
| 24 | 110078305630 |
| 25 | 15651 |
| 26 | 457150 |
| 27 | 532180 |
| 28 | 481928838 |
| 29 | 842 |
| 30 | 656100061960 |