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 | 7 |
| 2 | 6285 |
| 3 | 4693485 |
| 4 | 54028959 |
| 5 | 75898473 |
| 6 | 724416741 |
| 7 | 2359059709 |
| 8 | 4901493769 |
| 9 | 321212249593 |
| 10 | 511578306649 |
| 11 | 534245763769 |
| 12 | 6158645822473 |