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 | 16 |
| 3 | 98 |
| 4 | 1309 |
| 5 | 21145 |
| 6 | 612439 |
| 7 | 28188778 |
| 8 | 2088382007 |
| 9 | 241159388724 |
| 10 | 45610488555258 |
| 11 | 13703703085638203 |
| 12 | 6587710602249205713 |
| 13 | 5068113112003743826155 |
| 14 | 6252316203337352775508286 |