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 | 7 |
| 3 | 128 |
| 4 | 304 |
| 5 | 177 |
| 6 | 3072 |
| 7 | 13952 |
| 8 | 21080 |
| 9 | 10199 |
| 10 | 98304 |
| 11 | 724992 |
| 12 | 2016000 |
| 13 | 2441056 |
| 14 | 1051745 |
| 15 | 3932160 |
| 16 | 42762240 |
| 17 | 187643904 |
| 18 | 407505664 |
| 19 | 428605352 |
| 20 | 169913511 |
| 21 | 188743680 |
| 22 | 2839019520 |
| 23 | 17974591488 |
| 24 | 60428242944 |
| 25 | 111985428352 |