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 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 8 |
| 5 | 40 |
| 6 | 32 |
| 7 | 224 |
| 8 | 128 |
| 9 | 1152 |
| 10 | 512 |
| 11 | 5632 |
| 12 | 2048 |
| 13 | 26624 |
| 14 | 8192 |
| 15 | 122880 |
| 16 | 32768 |
| 17 | 557056 |
| 18 | 131072 |
| 19 | 2490368 |
| 20 | 524288 |
| 21 | 11010048 |
| 22 | 2097152 |
| 23 | 48234496 |
| 24 | 8388608 |
| 25 | 209715200 |
| 26 | 33554432 |
| 27 | 905969664 |
| 28 | 134217728 |
| 29 | 3892314112 |
| 30 | 536870912 |
| 31 | 16642998272 |
| 32 | 2147483648 |
| 33 | 70866960384 |
| 34 | 8589934592 |