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 | 16 |
| 2 | 512 |
| 3 | 12408 |
| 4 | 306767 |
| 5 | 7626768 |
| 6 | 189848373 |
| 7 | 4729712941 |
| 8 | 117851999934 |
| 9 | 2936875623336 |
| 10 | 73188908936110 |
| 11 | 1823941673502397 |
| 12 | 45454643346741044 |
| 13 | 1132781991907637247 |
| 14 | 28230245358586758157 |
| 15 | 703530728472049344422 |