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 | 1 |
| 2 | 6 |
| 3 | 21 |
| 4 | 48 |
| 5 | 105 |
| 6 | 126 |
| 7 | 301 |
| 8 | 388 |
| 9 | 567 |
| 10 | 630 |
| 11 | 1221 |
| 12 | 1008 |
| 13 | 2041 |
| 14 | 1806 |
| 15 | 2205 |
| 16 | 3116 |
| 17 | 4641 |
| 18 | 3402 |
| 19 | 6517 |
| 20 | 5040 |
| 21 | 6321 |
| 22 | 7326 |
| 23 | 11661 |
| 24 | 8148 |
| 25 | 13125 |
| 26 | 12246 |
| 27 | 15327 |
| 28 | 14448 |
| 29 | 23577 |
| 30 | 13230 |
| 31 | 28861 |
| 32 | 24956 |
| 33 | 25641 |
| 34 | 27846 |
| 35 | 31605 |
| 36 | 27216 |
| 37 | 49321 |
| 38 | 39102 |
| 39 | 42861 |
| 40 | 40740 |
| 41 | 67281 |
| 42 | 37926 |