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) |
|---|---|
| 4 | 5 |
| 5 | 36 |
| 6 | 147 |
| 7 | 448 |
| 8 | 1134 |
| 9 | 2520 |
| 10 | 5082 |
| 11 | 9504 |
| 12 | 16731 |
| 13 | 28028 |
| 14 | 45045 |
| 15 | 69888 |
| 16 | 105196 |
| 17 | 154224 |
| 18 | 220932 |
| 19 | 310080 |
| 20 | 427329 |
| 21 | 579348 |
| 22 | 773927 |
| 23 | 1020096 |
| 24 | 1328250 |
| 25 | 1710280 |
| 26 | 2179710 |
| 27 | 2751840 |
| 28 | 3443895 |
| 29 | 4275180 |
| 30 | 5267241 |
| 31 | 6444032 |
| 32 | 7832088 |
| 33 | 9460704 |
| 34 | 11362120 |
| 35 | 13571712 |
| 36 | 16128189 |