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 | 32768 |
| 2 | 14381675 |
| 3 | 30531959800 |
| 4 | 4778093469743 |
| 5 | 4182026262885394 |
| 6 | 55367919276976151 |
| 7 | 2917790970786791944 |
| 8 | 18098918000661590243 |
| 9 | 284734153465052835850 |
| 10 | 8913922901063237276799 |
| 11 | 32379184892907923206750 |
| 12 | 365825452844723230295243 |
| 13 | 1920923767836261141183844 |