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 | 56 |
| 2 | 1876 |
| 3 | 36028 |
| 4 | 594286 |
| 5 | 9779558 |
| 6 | 163752797 |
| 7 | 2772658693 |
| 8 | 47273211674 |
| 9 | 809416786834 |
| 10 | 13894273785956 |
| 11 | 238867008057298 |
| 12 | 4110191305837227 |
| 13 | 70761275087518799 |
| 14 | 1218613301433676245 |
| 15 | 20990363391641556709 |