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 | 2048 |
| 2 | 177147 |
| 3 | 48828125 |
| 4 | 1977326743 |
| 5 | 285311670611 |
| 6 | 1792160394037 |
| 7 | 34271896307633 |
| 8 | 116490258898219 |
| 9 | 952809757913927 |
| 10 | 12200509765705829 |
| 11 | 25408476896404831 |
| 12 | 177917621779460413 |
| 13 | 550329031716248441 |