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 | 59509850400 |
| 2 | 68763895200 |
| 3 | 72747675000 |
| 4 | 88410722400 |
| 5 | 88021533600 |
| 6 | 89894684880 |
| 7 | 89894684880 |
| 8 | 90391981680 |
| 9 | 102481394400 |