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 | 22 |
| 2 | 184 |
| 3 | 1610 |
| 4 | 13937 |
| 5 | 122497 |
| 6 | 1067299 |
| 7 | 9346997 |
| 8 | 81633583 |
| 9 | 713982837 |
| 10 | 6240061504 |
| 11 | 54556988152 |
| 12 | 476904755485 |
| 13 | 4169201095109 |
| 14 | 36446367090562 |
| 15 | 318614423423484 |
| 16 | 2785298770230012 |
| 17 | 24348966185185668 |
| 18 | 212857075051476381 |