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 | 0 |
| 2 | 300 |
| 3 | 1632 |
| 4 | 7092 |
| 5 | 16484 |
| 6 | 43440 |
| 7 | 75080 |
| 8 | 142532 |
| 9 | 232432 |
| 10 | 380244 |
| 11 | 525668 |
| 12 | 841504 |
| 13 | 1099064 |
| 14 | 1531092 |
| 15 | 2070976 |
| 16 | 2785252 |
| 17 | 3396316 |
| 18 | 4539424 |
| 19 | 5414024 |
| 20 | 6981628 |
| 21 | 8554708 |
| 22 | 10387240 |
| 23 | 11982424 |
| 24 | 15101088 |
| 25 | 17498972 |