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 | 2 |
| 2 | 12 |
| 3 | 2 |
| 4 | 19002 |
| 5 | 433153 |
| 6 | 472133 |
| 7 | 10064513 |
| 8 | 61054259 |
| 9 | 67878079 |
| 10 | 8152101 |
| 11 | 46077414 |
| 12 | 11395185 |
| 13 | 28556455 |
| 14 | 11730986 |
| 15 | 179311318 |
| 16 | 1542839498 |
| 17 | 443163383 |
| 18 | 2426412518 |
| 19 | 433059953 |
| 20 | 443302473 |
| 21 | 2654438078 |
| 22 | 2764480203 |
| 23 | 5945916934 |