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 | 11 |
| 2 | 130 |
| 3 | 2211 |
| 4 | 44368 |
| 5 | 956635 |
| 6 | 21524790 |
| 7 | 498112275 |
| 8 | 11767920118 |
| 9 | 282429542331 |
| 10 | 6863038218842 |
| 11 | 168456380815459 |
| 12 | 4169295435797688 |
| 13 | 103911670590311931 |
| 14 | 2605214027190054462 |
| 15 | 65651393478909968211 |
| 16 | 1661800897440729720268 |
| 17 | 42229293393638392639051 |