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 | 5 |
| 3 | 7 |
| 4 | 41 |
| 5 | 15361 |
| 6 | 23041 |
| 7 | 26881 |
| 8 | 61441 |
| 9 | 87041 |
| 10 | 163841 |
| 11 | 544001 |
| 12 | 604801 |
| 13 | 6684673 |
| 14 | 14172161 |
| 15 | 159318017 |
| 16 | 446960641 |
| 17 | 1151139841 |
| 18 | 3208642561 |
| 19 | 38126223361 |
| 20 | 108905103361 |
| 21 | 171727482881 |
| 22 | 318093312001 |
| 23 | 443069456129 |
| 24 | 912680550401 |
| 25 | 1295536619521 |
| 26 | 1825696645121 |
| 27 | 2061584302081 |