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) |
|---|---|
| 0 | 27 |
| 1 | 271 |
| 2 | 298 |
| 3 | 1463 |
| 4 | 1761 |
| 5 | 3224 |
| 6 | 85585 |
| 7 | 88809 |
| 8 | 174394 |
| 9 | 786385 |
| 10 | 960779 |
| 11 | 10394175 |
| 12 | 562246229 |
| 13 | 5632856465 |
| 14 | 6195102694 |
| 15 | 30413267241 |
| 16 | 36608369935 |
| 17 | 67021637176 |
| 18 | 1779170936511 |
| 19 | 1846192573687 |
| 20 | 3625363510198 |