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 | 21557 |
| 5 | 26681 |
| 6 | 128981 |
| 7 | 844427 |
| 8 | 2073347 |
| 9 | 3992201 |
| 10 | 4889237 |
| 11 | 6184637 |
| 12 | 11900501 |
| 13 | 21456047 |
| 14 | 24598361 |
| 15 | 33771581 |
| 16 | 34864211 |
| 17 | 50943791 |
| 18 | 51448361 |
| 19 | 51867197 |
| 20 | 55793951 |
| 21 | 56421347 |
| 22 | 61218251 |
| 23 | 67787537 |
| 24 | 69726647 |
| 25 | 76345121 |