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 | 54 |
| 2 | 216 |
| 3 | 324 |
| 4 | 432 |
| 5 | 540 |
| 6 | 648 |
| 7 | 756 |
| 8 | 864 |
| 9 | 918 |
| 10 | 972 |
| 11 | 2232 |
| 12 | 4464 |
| 13 | 4554 |
| 14 | 5049 |
| 15 | 5454 |
| 16 | 5544 |
| 17 | 6696 |
| 18 | 7776 |
| 19 | 8928 |
| 20 | 9108 |
| 21 | 11070 |
| 22 | 19188 |
| 23 | 21951 |
| 24 | 22140 |
| 25 | 22221 |
| 26 | 29268 |
| 27 | 33210 |
| 28 | 38376 |
| 29 | 43443 |
| 30 | 43902 |
| 31 | 44280 |
| 32 | 44442 |
| 33 | 55350 |
| 34 | 56565 |
| 35 | 57564 |
| 36 | 58536 |
| 37 | 65853 |
| 38 | 66420 |
| 39 | 66663 |
| 40 | 73170 |
| 41 | 76752 |
| 42 | 77490 |
| 43 | 77787 |
| 44 | 80487 |
| 45 | 81180 |
| 46 | 86886 |
| 47 | 87804 |