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) |
|---|---|
| 0 | 496 |
| 1 | 56958 |
| 2 | 4114110 |
| 3 | 244909665 |
| 4 | 13285256985 |
| 5 | 689604310395 |
| 6 | 35192429807535 |
| 7 | 1794448057577175 |
| 8 | 92348727438342375 |
| 9 | 4828071577102648875 |
| 10 | 257517575815061937375 |
| 11 | 14052167988805344147750 |
| 12 | 785907013343403755553750 |