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 | 728 |
| 2 | 93184 |
| 3 | 1592136 |
| 4 | 11927552 |
| 5 | 56875000 |
| 6 | 203793408 |
| 7 | 599539304 |
| 8 | 1526726656 |
| 9 | 3482001432 |
| 10 | 7280000000 |
| 11 | 14186660488 |
| 12 | 26085556224 |
| 13 | 45680920376 |
| 14 | 76741030912 |
| 15 | 124385625000 |
| 16 | 195421011968 |
| 17 | 298726553944 |
| 18 | 445696183296 |
| 19 | 650738625992 |