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) |
|---|---|
| 1 | 120 |
| 2 | 210 |
| 3 | 1035 |
| 4 | 2080 |
| 5 | 4095 |
| 6 | 4560 |
| 7 | 4950 |
| 8 | 5460 |
| 9 | 9045 |
| 10 | 13530 |
| 11 | 15400 |
| 12 | 17020 |
| 13 | 17205 |
| 14 | 17578 |
| 15 | 19306 |
| 16 | 20100 |
| 17 | 20503 |
| 18 | 20706 |
| 19 | 23005 |
| 20 | 30135 |
| 21 | 30628 |
| 22 | 36046 |
| 23 | 37401 |
| 24 | 40186 |
| 25 | 43071 |
| 26 | 43660 |
| 27 | 46360 |
| 28 | 46971 |
| 29 | 50721 |
| 30 | 51040 |
| 31 | 52003 |
| 32 | 53301 |
| 33 | 60031 |
| 34 | 63190 |
| 35 | 66430 |