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 | 41 |
| 2 | 251 |
| 3 | 1301 |
| 4 | 1511 |
| 5 | 46691 |
| 6 | 47951 |
| 7 | 279941 |
| 8 | 1679831 |
| 9 | 10077911 |
| 10 | 10124351 |
| 11 | 60466181 |
| 12 | 60466391 |
| 13 | 60473951 |
| 14 | 362797091 |
| 15 | 362797271 |
| 16 | 362843711 |
| 17 | 2176782371 |
| 18 | 2237248511 |
| 19 | 13060694051 |
| 20 | 13121160191 |
| 21 | 78364164101 |
| 22 | 78364164311 |
| 23 | 78364171871 |