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) |
|---|---|
| 0 | 1 |
| 1 | 89 |
| 2 | 814 |
| 3 | 4179 |
| 4 | 15659 |
| 5 | 47775 |
| 6 | 125853 |
| 7 | 296703 |
| 8 | 641058 |
| 9 | 1290718 |
| 10 | 2451449 |
| 11 | 4432792 |
| 12 | 7686042 |
| 13 | 12851762 |
| 14 | 20818302 |
| 15 | 32792898 |
| 16 | 50387031 |
| 17 | 75717831 |
| 18 | 111527416 |
| 19 | 161322161 |
| 20 | 229533997 |
| 21 | 321705945 |
| 22 | 444704195 |
| 23 | 606959145 |
| 24 | 818737920 |
| 25 | 1092450996 |
| 26 | 1442995659 |
| 27 | 1888139134 |
| 28 | 2448944324 |
| 29 | 3150241204 |
| 30 | 4021147020 |
| 31 | 5095638548 |