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 | 5173601 |
| 2 | 13694761 |
| 3 | 16070429 |
| 4 | 27509653 |
| 5 | 54029741 |
| 6 | 66096253 |
| 7 | 102690677 |
| 8 | 117987841 |
| 9 | 193949641 |
| 10 | 206304961 |
| 11 | 314184487 |
| 12 | 390612221 |
| 13 | 393611653 |
| 14 | 717653129 |
| 15 | 960946321 |
| 16 | 1157839381 |
| 17 | 1236313501 |
| 18 | 1481626513 |
| 19 | 1860373241 |
| 20 | 1921309633 |
| 21 | 2217879901 |
| 22 | 2412172153 |
| 23 | 2626783921 |