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 | 2100 |
| 2 | 3300 |
| 3 | 3900 |
| 4 | 4200 |
| 5 | 4410 |
| 6 | 5100 |
| 7 | 5700 |
| 8 | 6468 |
| 9 | 6600 |
| 10 | 6900 |
| 11 | 7644 |
| 12 | 7800 |
| 13 | 8400 |
| 14 | 8700 |
| 15 | 9300 |
| 16 | 9996 |
| 17 | 10200 |
| 18 | 10500 |
| 19 | 10780 |
| 20 | 10890 |
| 21 | 11100 |
| 22 | 11172 |
| 23 | 11400 |
| 24 | 12300 |
| 25 | 12740 |
| 26 | 12900 |
| 27 | 12936 |
| 28 | 13200 |
| 29 | 13230 |
| 30 | 13524 |
| 31 | 13800 |
| 32 | 14100 |
| 33 | 15210 |
| 34 | 15246 |
| 35 | 15288 |
| 36 | 15600 |
| 37 | 15900 |
| 38 | 16500 |
| 39 | 16660 |