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 | 13 |
| 5 | 83 |
| 6 | 281 |
| 7 | 3217 |
| 8 | 10883 |
| 9 | 1425427 |
| 10 | 55187617 |
| 11 | 24453221203 |
| 12 | 124001884480009 |
| 13 | 29872617402415741 |
| 14 | 185875267730565697 |
| 15 | 341877918058715653 |
| 16 | 44580781450601596678810171573 |
| 17 | 36012536557658790037420884825332617431175065740791 |