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 | 1392 |
| 2 | 5216 |
| 3 | 15760 |
| 4 | 41088 |
| 5 | 95984 |
| 6 | 205792 |
| 7 | 411696 |
| 8 | 777760 |
| 9 | 1400080 |
| 10 | 2418432 |
| 11 | 4030832 |
| 12 | 6511456 |
| 13 | 10232400 |
| 14 | 15689792 |
| 15 | 23534800 |
| 16 | 34610112 |
| 17 | 49992496 |
| 18 | 71042080 |
| 19 | 99459024 |
| 20 | 137348288 |
| 21 | 187293232 |
| 22 | 252438816 |
| 23 | 336585200 |
| 24 | 444292576 |
| 25 | 580998096 |