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 | 691 |
| 1 | 214776 |
| 2 | 10042488 |
| 3 | -31595258016 |
| 4 | -37453557900168 |
| 5 | -14820419119618224 |
| 6 | -2593285239712936608 |
| 7 | -222297419357081232192 |
| 8 | -10663770067272328258440 |
| 9 | -324599563661107722245352 |
| 10 | -6891830216922929182318512 |
| 11 | -109326152051786546417315808 |