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 | 144 |
| 2 | 89618 |
| 3 | 5098224 |
| 4 | 100936174 |
| 5 | 1061948616 |
| 6 | 7706500654 |
| 7 | 41131010240 |
| 8 | 180898687166 |
| 9 | 670434819776 |
| 10 | 2192125079476 |
| 11 | 6398465414348 |
| 12 | 17262285779402 |