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 | 2 |
| 2 | 7 |
| 3 | 1009 |
| 4 | 2689 |
| 5 | 12979 |
| 6 | 185161 |
| 7 | 203659 |
| 8 | 227251 |
| 9 | 246773 |
| 10 | 364717 |
| 11 | 1681853 |
| 12 | 2432093 |
| 13 | 169985089 |
| 14 | 189961939 |
| 15 | 466446781 |
| 16 | 1126270367 |
| 17 | 9257864617 |
| 18 | 41161886351 |
| 19 | 100877549917 |
| 20 | 168710890321 |
| 21 | 369064364689 |
| 22 | 2938399534589 |
| 23 | 19737992109859 |
| 24 | 27365163273061 |