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 | 260 |
| 2 | 27768 |
| 3 | 1664244 |
| 4 | 64697626 |
| 5 | 1783839948 |
| 6 | 37112483200 |
| 7 | 609829326268 |
| 8 | 8196058134921 |
| 9 | 92610036317488 |
| 10 | 899427798281439 |
| 11 | 7644907607082576 |
| 12 | 57726306147546982 |
| 13 | 392120605767310660 |
| 14 | 2421735824309042268 |