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 | 2 |
| 2 | 13 |
| 3 | 83 |
| 4 | 257 |
| 5 | 1109 |
| 6 | 2953 |
| 7 | 6173 |
| 8 | 8419 |
| 9 | 14423 |
| 10 | 40493 |
| 11 | 99497 |
| 12 | 127549 |
| 13 | 178807 |
| 14 | 198533 |
| 15 | 347969 |
| 16 | 378503 |
| 17 | 480713 |
| 18 | 599843 |
| 19 | 787243 |
| 20 | 1271483 |
| 21 | 1417583 |
| 22 | 1574467 |
| 23 | 2883593 |
| 24 | 3133597 |
| 25 | 3397649 |
| 26 | 4770023 |
| 27 | 5118203 |
| 28 | 5482927 |
| 29 | 5671613 |
| 30 | 6469637 |
| 31 | 6680203 |