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 | 12978 |
| 2 | 13338 |
| 3 | 34920 |
| 4 | 41382 |
| 5 | 76626 |
| 6 | 176946 |
| 7 | 253422 |
| 8 | 455202 |
| 9 | 1336734 |
| 10 | 2410254 |
| 11 | 3187782 |
| 12 | 3214458 |
| 13 | 3277800 |
| 14 | 3347838 |
| 15 | 3387240 |
| 16 | 3427866 |
| 17 | 3507894 |
| 18 | 3587922 |
| 19 | 3614598 |
| 20 | 3694626 |
| 21 | 3747978 |
| 22 | 3774654 |
| 23 | 3908034 |
| 24 | 4094766 |
| 25 | 4148118 |
| 26 | 4174794 |
| 27 | 4228146 |
| 28 | 4414878 |
| 29 | 4494906 |
| 30 | 4628286 |