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 | 1 |
| 1 | 83 |
| 2 | 2685 |
| 3 | 56285 |
| 4 | 919615 |
| 5 | 12813843 |
| 6 | 160206627 |
| 7 | 1854550395 |
| 8 | 20291056470 |
| 9 | 212826091180 |
| 10 | 2161547322134 |
| 11 | 21414479565774 |
| 12 | 208076662576370 |
| 13 | 1991164206775450 |
| 14 | 18825064380813450 |