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) |
|---|---|
| 1 | 12 |
| 2 | 108 |
| 3 | 1500 |
| 4 | 8232 |
| 5 | 79860 |
| 6 | 184548 |
| 7 | 707472 |
| 8 | 1234620 |
| 9 | 3212088 |
| 10 | 10243380 |
| 11 | 14299680 |
| 12 | 34646652 |
| 13 | 57893640 |
| 14 | 73464468 |
| 15 | 114620592 |
| 16 | 209023308 |
| 17 | 357359460 |
| 18 | 422184660 |
| 19 | 674912172 |
| 20 | 901935720 |
| 21 | 1036341288 |
| 22 | 1538281680 |
| 23 | 1969234428 |
| 24 | 2791677240 |