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 | 123567480 |
| 2 | 123675840 |
| 3 | 123756480 |
| 4 | 126573840 |
| 5 | 132576840 |
| 6 | 132657480 |
| 7 | 132765840 |
| 8 | 135648720 |
| 9 | 135726840 |
| 10 | 138546720 |
| 11 | 138675240 |
| 12 | 147528360 |
| 13 | 153276840 |
| 14 | 153672480 |
| 15 | 153768240 |
| 16 | 156237840 |
| 17 | 156348720 |
| 18 | 162573480 |
| 19 | 165327840 |
| 20 | 165378240 |
| 21 | 165438720 |