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 | 54 |
| 2 | 2916 |
| 3 | 82807 |
| 4 | 2070564 |
| 5 | 57268342 |
| 6 | 1648854501 |
| 7 | 47015346159 |
| 8 | 1328156697136 |
| 9 | 37521598580023 |
| 10 | 1061970530807292 |
| 11 | 30067564211434697 |
| 12 | 851046751948225835 |
| 13 | 24085315991411166967 |
| 14 | 681659412649184727059 |
| 15 | 19292878589062169424679 |