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 | 900 |
| 2 | 1764 |
| 3 | 3600 |
| 4 | 4356 |
| 5 | 4500 |
| 6 | 6084 |
| 7 | 6300 |
| 8 | 7056 |
| 9 | 8100 |
| 10 | 8820 |
| 11 | 9900 |
| 12 | 10404 |
| 13 | 11700 |
| 14 | 12348 |
| 15 | 12996 |
| 16 | 15300 |
| 17 | 17100 |
| 18 | 19044 |
| 19 | 19404 |
| 20 | 20700 |
| 21 | 21780 |
| 22 | 22500 |
| 23 | 22932 |
| 24 | 25200 |
| 25 | 26100 |
| 26 | 27900 |
| 27 | 29988 |
| 28 | 30276 |
| 29 | 30420 |
| 30 | 30492 |
| 31 | 31500 |
| 32 | 33300 |
| 33 | 33516 |
| 34 | 34596 |
| 35 | 35280 |
| 36 | 36900 |
| 37 | 38700 |
| 38 | 39600 |
| 39 | 40572 |