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 | 1 |
| 6 | 5 |
| 7 | 15 |
| 8 | 35 |
| 9 | 70 |
| 10 | 125 |
| 11 | 210 |
| 12 | 325 |
| 13 | 495 |
| 14 | 700 |
| 15 | 1000 |
| 16 | 1330 |
| 17 | 1820 |
| 18 | 2305 |
| 19 | 3060 |
| 20 | 3750 |
| 21 | 4830 |
| 22 | 5775 |
| 23 | 7315 |
| 24 | 8490 |
| 25 | 10625 |
| 26 | 12155 |
| 27 | 14880 |
| 28 | 16835 |
| 29 | 20475 |
| 30 | 22620 |
| 31 | 27405 |
| 32 | 30100 |
| 33 | 35750 |
| 34 | 39100 |
| 35 | 46360 |
| 36 | 49655 |
| 37 | 58905 |
| 38 | 62985 |
| 39 | 73320 |
| 40 | 78340 |
| 41 | 91390 |
| 42 | 95720 |
| 43 | 111930 |
| 44 | 117425 |