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 | 29 |
| 2 | 985 |
| 3 | 33461 |
| 4 | 1136689 |
| 5 | 38613965 |
| 6 | 1311738121 |
| 7 | 44560482149 |
| 8 | 1513744654945 |
| 9 | 51422757785981 |
| 10 | 1746860020068409 |
| 11 | 59341817924539925 |
| 12 | 2015874949414289041 |
| 13 | 68480406462161287469 |
| 14 | 2326317944764069484905 |
| 15 | 79026329715516201199301 |
| 16 | 2684568892382786771291329 |
| 17 | 91196316011299234022705885 |
| 18 | 3097990175491791170000708761 |
| 19 | 105240469650709600546001391989 |