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 | 7 |
| 2 | 133153 |
| 3 | 184039 |
| 4 | 356929 |
| 5 | 469363 |
| 6 | 982843 |
| 7 | 2154487 |
| 8 | 2552713 |
| 9 | 2686573 |
| 10 | 3378103 |
| 11 | 3847867 |
| 12 | 4270069 |
| 13 | 4341373 |
| 14 | 4564363 |
| 15 | 4584847 |
| 16 | 4964899 |
| 17 | 5366017 |
| 18 | 5600989 |
| 19 | 6185173 |
| 20 | 6592609 |
| 21 | 6595597 |
| 22 | 6629683 |
| 23 | 6768409 |
| 24 | 8232277 |
| 25 | 9028429 |
| 26 | 9964177 |
| 27 | 10009339 |
| 28 | 12107089 |
| 29 | 13266553 |
| 30 | 13600189 |