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 | 521 |
| 2 | 617 |
| 3 | 709 |
| 4 | 1433 |
| 5 | 1597 |
| 6 | 2549 |
| 7 | 2909 |
| 8 | 3581 |
| 9 | 3821 |
| 10 | 4013 |
| 11 | 5501 |
| 12 | 5693 |
| 13 | 5813 |
| 14 | 6197 |
| 15 | 7853 |
| 16 | 8093 |
| 17 | 8573 |
| 18 | 9677 |
| 19 | 10597 |
| 20 | 10973 |
| 21 | 13109 |
| 22 | 13613 |
| 23 | 15413 |
| 24 | 17093 |
| 25 | 20261 |
| 26 | 22637 |
| 27 | 26717 |