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 | 6 |
| 2 | 42 |
| 3 | 330 |
| 4 | 510 |
| 5 | 690 |
| 6 | 798 |
| 7 | 870 |
| 8 | 1410 |
| 9 | 1518 |
| 10 | 1590 |
| 11 | 1770 |
| 12 | 1806 |
| 13 | 2490 |
| 14 | 3102 |
| 15 | 3210 |
| 16 | 3318 |
| 17 | 3894 |
| 18 | 4110 |
| 19 | 4326 |
| 20 | 4470 |
| 21 | 4686 |
| 22 | 5010 |
| 23 | 5190 |
| 24 | 5370 |
| 25 | 5478 |
| 26 | 6486 |
| 27 | 6810 |
| 28 | 7062 |
| 29 | 7890 |
| 30 | 8070 |
| 31 | 8142 |
| 32 | 8646 |
| 33 | 8790 |
| 34 | 9366 |
| 35 | 9510 |
| 36 | 10410 |
| 37 | 10770 |
| 38 | 11022 |