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) |
|---|---|
| 5 | 15 |
| 6 | 100 |
| 7 | 385 |
| 8 | 1120 |
| 9 | 2730 |
| 10 | 5880 |
| 11 | 11550 |
| 12 | 21120 |
| 13 | 36465 |
| 14 | 60060 |
| 15 | 95095 |
| 16 | 145600 |
| 17 | 216580 |
| 18 | 314160 |
| 19 | 445740 |
| 20 | 620160 |
| 21 | 847875 |
| 22 | 1141140 |
| 23 | 1514205 |
| 24 | 1983520 |
| 25 | 2567950 |
| 26 | 3289000 |
| 27 | 4171050 |
| 28 | 5241600 |
| 29 | 6531525 |
| 30 | 8075340 |
| 31 | 9911475 |
| 32 | 12082560 |
| 33 | 14635720 |
| 34 | 17622880 |
| 35 | 21101080 |
| 36 | 25132800 |
| 37 | 29786295 |