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 | 8 |
| 2 | 64 |
| 3 | 216 |
| 4 | 720 |
| 5 | 2688 |
| 6 | 8799 |
| 7 | 27063 |
| 8 | 84502 |
| 9 | 257584 |
| 10 | 762900 |
| 11 | 2246895 |
| 12 | 6565968 |
| 13 | 18955015 |
| 14 | 54365475 |
| 15 | 155191828 |
| 16 | 440404000 |
| 17 | 1244062260 |
| 18 | 3502380028 |
| 19 | 9826626600 |
| 20 | 27487369521 |
| 21 | 76702016405 |
| 22 | 213558055578 |
| 23 | 593398011328 |
| 24 | 1645981275528 |