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 | 8 |
| 2 | 48 |
| 3 | 224 |
| 4 | 960 |
| 5 | 3968 |
| 6 | 16128 |
| 7 | 65024 |
| 8 | 261120 |
| 9 | 1046528 |
| 10 | 4190208 |
| 11 | 16769024 |
| 12 | 67092480 |
| 13 | 268402688 |
| 14 | 1073676288 |
| 15 | 4294836224 |