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 | 14981 |
| 4 | 448993 |
| 5 | 13431706 |
| 6 | 401989538 |
| 7 | 12030404350 |
| 8 | 360039414559 |
| 9 | 10775053220325 |
| 10 | 322469677661562 |
| 11 | 9650689326119101 |
| 12 | 288820348973371780 |
| 13 | 8643651362044420950 |
| 14 | 258682288630479728048 |
| 15 | 7741696610337244038767 |