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 | 31 |
| 2 | 34 |
| 3 | 37 |
| 4 | 46 |
| 5 | 61 |
| 6 | 100 |
| 7 | 241 |
| 8 | 800 |
| 9 | 3733 |
| 10 | 23824 |
| 11 | 200777 |
| 12 | 2159228 |
| 13 | 28739455 |
| 14 | 461652916 |
| 15 | 8767088533 |
| 16 | 193511261098 |
| 17 | 4894482550975 |
| 18 | 140176399060982 |