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 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 9 |
| 6 | 67 |
| 7 | 441 |
| 8 | 2615 |
| 9 | 637237 |
| 10 | 637329 |
| 11 | 4124703 |
| 12 | 27067119 |
| 13 | 179993017 |
| 14 | 1208198617 |
| 15 | 8179002101 |
| 16 | 55762149071 |
| 17 | 55762149091 |