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 | 23 |
| 2 | 613 |
| 3 | 6055 |
| 4 | 34171 |
| 5 | 136999 |
| 6 | 438177 |
| 7 | 1186107 |
| 8 | 2839237 |
| 9 | 6169921 |
| 10 | 12410957 |
| 11 | 23428771 |
| 12 | 41960815 |
| 13 | 71850731 |
| 14 | 118414399 |
| 15 | 188766767 |
| 16 | 292290383 |
| 17 | 441086445 |
| 18 | 650648037 |
| 19 | 940297237 |
| 20 | 1334163773 |
| 21 | 1861743181 |
| 22 | 2558935713 |
| 23 | 3468879881 |