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 | 831376 |
| 2 | 3944688 |
| 3 | 16956576 |
| 4 | 17843616 |
| 5 | 22591296 |
| 6 | 25371360 |
| 7 | 27870976 |
| 8 | 51878736 |
| 9 | 58877280 |
| 10 | 64641984 |
| 11 | 142990848 |
| 12 | 164898720 |
| 13 | 172821456 |
| 14 | 181821024 |
| 15 | 204330672 |
| 16 | 276371200 |
| 17 | 281613024 |
| 18 | 301571424 |
| 19 | 319848480 |
| 20 | 326207700 |
| 21 | 342237456 |
| 22 | 346502520 |
| 23 | 389165568 |
| 24 | 389450880 |
| 25 | 392110992 |