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 | 610 |
| 2 | 52591 |
| 3 | 1738756 |
| 4 | 31585056 |
| 5 | 378122264 |
| 6 | 3322756326 |
| 7 | 22985966340 |
| 8 | 131366850521 |
| 9 | 642224541548 |
| 10 | 2756467192963 |
| 11 | 10596041132366 |
| 12 | 37055725164722 |
| 13 | 119377525079194 |
| 14 | 357900074208050 |
| 15 | 1006959166065982 |
| 16 | 2677364150668003 |