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 | 7 |
| 3 | 10 |
| 4 | 27 |
| 5 | 727 |
| 6 | 1587 |
| 7 | 9838 |
| 8 | 758206 |
| 9 | 789223 |
| 10 | 1018846 |
| 11 | 1588126 |
| 12 | 1595287 |
| 13 | 2387206 |
| 14 | 4263586 |
| 15 | 9494746 |
| 16 | 12697378 |
| 17 | 17379860 |
| 18 | 21480726 |
| 19 | 25439767 |
| 20 | 38541526 |
| 21 | 44219926 |
| 22 | 55561536 |
| 23 | 62072326 |
| 24 | 64335356 |
| 25 | 70032586 |
| 26 | 83142466 |
| 27 | 85409276 |