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 | 11 |
| 2 | 17 |
| 3 | 41 |
| 4 | 1277 |
| 5 | 21557 |
| 6 | 26681 |
| 7 | 28277 |
| 8 | 113147 |
| 9 | 128981 |
| 10 | 421697 |
| 11 | 665111 |
| 12 | 844427 |
| 13 | 1164587 |
| 14 | 1615631 |
| 15 | 2073347 |
| 16 | 2798921 |
| 17 | 2846771 |
| 18 | 3053747 |
| 19 | 3992201 |
| 20 | 4889237 |
| 21 | 5071667 |
| 22 | 5093507 |
| 23 | 5344247 |
| 24 | 5706641 |
| 25 | 6184637 |
| 26 | 6383051 |
| 27 | 8396777 |