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 | 0 |
| 1 | 64 |
| 2 | 192 |
| 3 | 448 |
| 4 | 960 |
| 5 | 1984 |
| 6 | 4032 |
| 7 | 8128 |
| 8 | 16320 |
| 9 | 32704 |
| 10 | 65472 |
| 11 | 131008 |
| 12 | 262080 |
| 13 | 524224 |
| 14 | 1048512 |
| 15 | 2097088 |
| 16 | 4194240 |
| 17 | 8388544 |
| 18 | 16777152 |
| 19 | 33554368 |
| 20 | 67108800 |
| 21 | 134217664 |
| 22 | 268435392 |
| 23 | 536870848 |
| 24 | 1073741760 |