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 | 1093 |
| 2 | 22417 |
| 3 | 333244 |
| 4 | 4380151 |
| 5 | 54231244 |
| 6 | 649940212 |
| 7 | 7643456248 |
| 8 | 88872211096 |
| 9 | 1026178892443 |
| 10 | 11798983030675 |
| 11 | 135327222190240 |
| 12 | 1550024200441495 |
| 13 | 17743256268685240 |
| 14 | 203091320580519760 |
| 15 | 2325213813771735940 |