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) |
|---|---|
| 3 | 21 |
| 4 | 24 |
| 5 | 135 |
| 6 | 16 |
| 7 | 448 |
| 8 | 96 |
| 9 | 1620 |
| 10 | 64 |
| 11 | 4400 |
| 12 | 384 |
| 13 | 13104 |
| 14 | 256 |
| 15 | 32640 |
| 16 | 1536 |
| 17 | 88128 |
| 18 | 1024 |
| 19 | 209152 |
| 20 | 6144 |
| 21 | 532224 |
| 22 | 4096 |
| 23 | 1224704 |
| 24 | 24576 |
| 25 | 2995200 |
| 26 | 16384 |
| 27 | 6746112 |
| 28 | 98304 |
| 29 | 16035840 |
| 30 | 65536 |
| 31 | 35553280 |
| 32 | 393216 |
| 33 | 82722816 |
| 34 | 262144 |
| 35 | 181207040 |
| 36 | 1572864 |
| 37 | 414646272 |
| 38 | 1048576 |
| 39 | 899678208 |
| 40 | 6291456 |