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 | 37 |
| 2 | 173 |
| 3 | 1037 |
| 4 | 3445 |
| 5 | 10865 |
| 6 | 68969 |
| 7 | 717469 |
| 8 | 1484585 |
| 9 | 413797085 |
| 10 | 458204537321 |
| 11 | 955769368553 |
| 12 | 11847888777965 |
| 13 | 114774718781341 |
| 14 | 6377764206569417 |
| 15 | 4101843009053893 |
| 16 | 283803292188743377 |
| 17 | 28549708853253421989013 |
| 18 | 457515736618480341666545 |