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 | 624 |
| 2 | 3124 |
| 3 | 6220 |
| 4 | 15624 |
| 5 | 37324 |
| 6 | 78124 |
| 7 | 78432 |
| 8 | 223948 |
| 9 | 390624 |
| 10 | 549028 |
| 11 | 1343692 |
| 12 | 1953124 |
| 13 | 3843200 |
| 14 | 8062156 |
| 15 | 9586980 |
| 16 | 9765624 |
| 17 | 26902404 |
| 18 | 48372940 |
| 19 | 48828124 |
| 20 | 76695844 |
| 21 | 188316832 |
| 22 | 244140624 |
| 23 | 290237644 |
| 24 | 613566756 |
| 25 | 1220703124 |
| 26 | 1318217828 |
| 27 | 1741425868 |
| 28 | 4908534052 |