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 | 37 |
| 2 | 1369 |
| 3 | 33893 |
| 4 | 795741 |
| 5 | 19468046 |
| 6 | 477128662 |
| 7 | 11711612310 |
| 8 | 287687887135 |
| 9 | 7067105036501 |
| 10 | 173620295413143 |
| 11 | 4265418644778934 |
| 12 | 104791458935593868 |
| 13 | 2574487020801597635 |
| 14 | 63249299061752722582 |
| 15 | 1553891946650453527104 |