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 | 42 |
| 2 | 1764 |
| 3 | 12994 |
| 4 | 101233 |
| 5 | 991184 |
| 6 | 7666319 |
| 7 | 54373655 |
| 8 | 406281454 |
| 9 | 2956097240 |
| 10 | 20771578816 |
| 11 | 146736632823 |
| 12 | 1035899791894 |
| 13 | 7243867291833 |
| 14 | 50585923578789 |
| 15 | 353460807485988 |
| 16 | 2464610891088612 |
| 17 | 17167716757793554 |
| 18 | 119597858516828559 |