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 | 0 |
| 1 | 2 |
| 2 | 16 |
| 3 | 66 |
| 4 | 192 |
| 5 | 450 |
| 6 | 912 |
| 7 | 1666 |
| 8 | 2816 |
| 9 | 4482 |
| 10 | 6800 |
| 11 | 9922 |
| 12 | 14016 |
| 13 | 19266 |
| 14 | 25872 |
| 15 | 34050 |
| 16 | 44032 |
| 17 | 56066 |
| 18 | 70416 |
| 19 | 87362 |
| 20 | 107200 |
| 21 | 130242 |
| 22 | 156816 |
| 23 | 187266 |
| 24 | 221952 |
| 25 | 261250 |
| 26 | 305552 |
| 27 | 355266 |
| 28 | 410816 |
| 29 | 472642 |
| 30 | 541200 |
| 31 | 616962 |
| 32 | 700416 |
| 33 | 792066 |