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 | 1 |
| 2 | 1664525 |
| 3 | 389569705 |
| 4 | 2940799637 |
| 5 | 158984081 |
| 6 | 2862450781 |
| 7 | 3211393721 |
| 8 | 1851289957 |
| 9 | 3934847009 |
| 10 | 2184914861 |
| 11 | 246739401 |
| 12 | 1948736821 |
| 13 | 2941245873 |
| 14 | 4195587069 |
| 15 | 4088025561 |
| 16 | 980655621 |
| 17 | 2001863745 |
| 18 | 657792333 |
| 19 | 65284841 |
| 20 | 1282409429 |
| 21 | 3808694225 |
| 22 | 2968195997 |
| 23 | 2417331449 |