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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 2 |
| 5 | 10 |
| 6 | 32 |
| 7 | 76 |
| 8 | 152 |
| 9 | 274 |
| 10 | 458 |
| 11 | 720 |
| 12 | 1080 |
| 13 | 1560 |
| 14 | 2184 |
| 15 | 2978 |
| 16 | 3970 |
| 17 | 5192 |
| 18 | 6676 |
| 19 | 8456 |
| 20 | 10570 |
| 21 | 13058 |
| 22 | 15960 |
| 23 | 19320 |
| 24 | 23184 |
| 25 | 27600 |
| 26 | 32618 |
| 27 | 38290 |
| 28 | 44672 |
| 29 | 51820 |
| 30 | 59792 |
| 31 | 68650 |
| 32 | 78458 |
| 33 | 89280 |
| 34 | 101184 |