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 | 1 |
| 2 | 175952 |
| 3 | 348880 |
| 4 | 649078 |
| 5 | 951625 |
| 6 | 1495472 |
| 7 | 1944320 |
| 8 | 3140852 |
| 9 | 3483200 |
| 10 | 3643270 |
| 11 | 4359040 |
| 12 | 4703776 |
| 13 | 6513584 |
| 14 | 8170904 |
| 15 | 9854200 |
| 16 | 11005568 |
| 17 | 11831890 |
| 18 | 12149872 |
| 19 | 12828200 |
| 20 | 12910928 |
| 21 | 18095630 |
| 22 | 18964400 |
| 23 | 22034516 |
| 24 | 43599424 |
| 25 | 62849024 |
| 26 | 66322480 |
| 27 | 82159588 |
| 28 | 85181600 |