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 | 1 |
| 2 | 1045 |
| 3 | 29029 |
| 4 | 50065 |
| 5 | 64285 |
| 6 | 87685 |
| 7 | 1390753 |
| 8 | 2011009 |
| 9 | 3189625 |
| 10 | 7711405 |
| 11 | 39298441 |
| 12 | 53238625 |
| 13 | 68393065 |
| 14 | 75416341 |
| 15 | 96345613 |
| 16 | 225938245 |
| 17 | 228404605 |
| 18 | 231562825 |
| 19 | 233591605 |
| 20 | 279999445 |
| 21 | 458406445 |
| 22 | 462027565 |
| 23 | 470527057 |
| 24 | 491291125 |
| 25 | 513574369 |
| 26 | 663605761 |
| 27 | 666373825 |