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 | 4 |
| 2 | 27 |
| 3 | 378 |
| 4 | 576 |
| 5 | 588 |
| 6 | 645 |
| 7 | 648 |
| 8 | 666 |
| 9 | 690 |
| 10 | 825 |
| 11 | 915 |
| 12 | 1872 |
| 13 | 1908 |
| 14 | 1962 |
| 15 | 2265 |
| 16 | 2286 |
| 17 | 2484 |
| 18 | 2556 |
| 19 | 2688 |
| 20 | 2934 |
| 21 | 2970 |
| 22 | 3168 |
| 23 | 3258 |
| 24 | 3294 |
| 25 | 3345 |
| 26 | 3366 |
| 27 | 3390 |
| 28 | 3564 |
| 29 | 3615 |
| 30 | 3690 |
| 31 | 3852 |
| 32 | 3864 |
| 33 | 3930 |
| 34 | 4428 |
| 35 | 4464 |
| 36 | 4557 |
| 37 | 4880 |
| 38 | 5526 |
| 39 | 6084 |
| 40 | 6315 |
| 41 | 7695 |
| 42 | 8154 |
| 43 | 8736 |
| 44 | 8883 |
| 45 | 9015 |
| 46 | 9036 |