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 | 17 |
| 2 | 41 |
| 3 | 296 |
| 4 | 4238 |
| 5 | 3602 |
| 6 | 249211 |
| 7 | 1055902 |
| 8 | 8657121 |
| 9 | 141222119 |
| 10 | 127874916 |
| 11 | 9959532190 |
| 12 | 42952255903 |
| 13 | 362588593757 |
| 14 | 6102371958391 |
| 15 | 5510612701449 |
| 16 | 446546458762938 |
| 17 | 1940123176320382 |
| 18 | 16627869936250796 |
| 19 | 282670200216013184 |