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 | 3 |
| 2 | 35 |
| 3 | 1045 |
| 4 | 24871 |
| 5 | 29029 |
| 6 | 50065 |
| 7 | 58435 |
| 8 | 64285 |
| 9 | 87685 |
| 10 | 137885 |
| 11 | 140335 |
| 12 | 1390753 |
| 13 | 1529983 |
| 14 | 1739507 |
| 15 | 2011009 |
| 16 | 2086903 |
| 17 | 3189625 |
| 18 | 3281663 |
| 19 | 3501605 |
| 20 | 3722875 |
| 21 | 3830827 |
| 22 | 3852155 |
| 23 | 6605945 |
| 24 | 7711405 |
| 25 | 8409305 |
| 26 | 9815195 |
| 27 | 11413205 |
| 28 | 11569805 |
| 29 | 13321295 |
| 30 | 13932919 |
| 31 | 16540205 |