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) |
|---|---|
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 7 |
| 8 | 24 |
| 9 | 63 |
| 10 | 130 |
| 11 | 242 |
| 12 | 408 |
| 13 | 650 |
| 14 | 980 |
| 15 | 1425 |
| 16 | 2000 |
| 17 | 2737 |
| 18 | 3654 |
| 19 | 4788 |
| 20 | 6160 |
| 21 | 7812 |
| 22 | 9768 |
| 23 | 12075 |
| 24 | 14760 |
| 25 | 17875 |
| 26 | 21450 |
| 27 | 25542 |
| 28 | 30184 |
| 29 | 35438 |
| 30 | 41340 |
| 31 | 47957 |
| 32 | 55328 |
| 33 | 63525 |
| 34 | 72590 |
| 35 | 82600 |
| 36 | 93600 |
| 37 | 105672 |
| 38 | 118864 |
| 39 | 133263 |
| 40 | 148920 |
| 41 | 165927 |
| 42 | 184338 |
| 43 | 204250 |
| 44 | 225720 |