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 | 140 |
| 2 | 16272 |
| 3 | 355396 |
| 4 | 2880240 |
| 5 | 14715004 |
| 6 | 55994544 |
| 7 | 168083116 |
| 8 | 445304272 |
| 9 | 1033172284 |
| 10 | 2215496776 |
| 11 | 4323822892 |