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) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 56 |
| 3 | 960 |
| 4 | 31744 |
| 5 | 2064384 |
| 6 | 266338304 |
| 7 | 68451041280 |
| 8 | 35115652612096 |
| 9 | 35993612646875136 |
| 10 | 73750947497819242496 |
| 11 | 302157667927362455470080 |
| 12 | 2475577847115856892504571904 |
| 13 | 40562343327224770087344704323584 |
| 14 | 1329187430965708569562959165777772544 |