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 | 6224890 |
| 2 | 37542190 |
| 3 | 56523810 |
| 4 | 101304490 |
| 5 | 135657795 |
| 6 | 233990890 |
| 7 | 5304907426 |
| 8 | 8473747030 |
| 9 | 8483430670 |
| 10 | 9220653310 |
| 11 | 11033448910 |
| 12 | 12139959910 |
| 13 | 13108452735 |
| 14 | 13849730895 |
| 15 | 16697472870 |
| 16 | 19644687195 |
| 17 | 20321234206 |
| 18 | 23076788295 |
| 19 | 40575765615 |
| 20 | 55636542346 |
| 21 | 89094853155 |
| 22 | 101786530846 |