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 | 41902660799 |
| 2 | 41902660801 |
| 3 | 48886437599 |
| 4 | 53542288799 |
| 5 | 55870214401 |
| 6 | 62853991199 |
| 7 | 73329656401 |
| 8 | 80313433201 |
| 9 | 96376119841 |
| 10 | 97772875199 |
| 11 | 97772875201 |
| 12 | 101264763599 |
| 13 | 107084577599 |
| 14 | 107221514401 |
| 15 | 118356638399 |
| 16 | 118356638401 |
| 17 | 125707982401 |
| 18 | 128501493121 |
| 19 | 135019684799 |