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 | 510510 |
| 2 | 4849845 |
| 3 | 37182145 |
| 4 | 215656441 |
| 5 | 955049953 |
| 6 | 3212440751 |
| 7 | 10131543907 |
| 8 | 25626846353 |
| 9 | 63392725189 |
| 10 | 146078888479 |
| 11 | 297194980009 |
| 12 | 584803025179 |
| 13 | 1058967640189 |
| 14 | 1833822011059 |
| 15 | 3113232716449 |
| 16 | 5232880523393 |
| 17 | 8194888366823 |