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 | 650 |
| 2 | 250841 |
| 3 | 21907055 |
| 4 | 733861607 |
| 5 | 13111482259 |
| 6 | 150943642765 |
| 7 | 1257194266246 |
| 8 | 8170451731089 |
| 9 | 43642376268844 |
| 10 | 198859490805437 |
| 11 | 794550500198885 |
| 12 | 2842727725991231 |
| 13 | 9257049674121653 |
| 14 | 27794351169785161 |
| 15 | 77754305616698860 |