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 | 54 |
| 2 | 2916 |
| 3 | 61003 |
| 4 | 1124120 |
| 5 | 22816988 |
| 6 | 490003769 |
| 7 | 10432265840 |
| 8 | 218637649146 |
| 9 | 4572897018607 |
| 10 | 95971301545030 |
| 11 | 2016876598616899 |
| 12 | 42362715890770207 |
| 13 | 889374671577272079 |
| 14 | 18672246190599282488 |
| 15 | 392068641835583132666 |