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 | 35 |
| 2 | 1225 |
| 3 | 20265 |
| 4 | 335241 |
| 5 | 6349893 |
| 6 | 120275089 |
| 7 | 2215586241 |
| 8 | 40813292529 |
| 9 | 758253127923 |
| 10 | 14087268396601 |
| 11 | 260910039667519 |
| 12 | 4832310060602761 |
| 13 | 89611728280729061 |
| 14 | 1661785304492145361 |
| 15 | 30800180353416930867 |