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 | 32 |
| 2 | 96 |
| 3 | 224 |
| 4 | 480 |
| 5 | 992 |
| 6 | 2016 |
| 7 | 4064 |
| 8 | 8160 |
| 9 | 16352 |
| 10 | 32736 |
| 11 | 65504 |
| 12 | 131040 |
| 13 | 262112 |
| 14 | 524256 |
| 15 | 1048544 |
| 16 | 2097120 |
| 17 | 4194272 |
| 18 | 8388576 |
| 19 | 16777184 |
| 20 | 33554400 |
| 21 | 67108832 |
| 22 | 134217696 |
| 23 | 268435424 |
| 24 | 536870880 |