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 | 320000 |
| 2 | 941192 |
| 3 | 1229312 |
| 4 | 3001250 |
| 5 | 5120000 |
| 6 | 8000000 |
| 7 | 14172488 |
| 8 | 14623232 |
| 9 | 15059072 |
| 10 | 19668992 |
| 11 | 35701250 |
| 12 | 38614472 |
| 13 | 42762752 |
| 14 | 60236288 |
| 15 | 66724352 |
| 16 | 75031250 |
| 17 | 121726800 |
| 18 | 128000000 |
| 19 | 143278592 |
| 20 | 147061250 |
| 21 | 168480000 |
| 22 | 222814800 |
| 23 | 226759808 |
| 24 | 233971712 |
| 25 | 257875200 |
| 26 | 319813200 |