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 | 144 |
| 2 | 204 |
| 3 | 216 |
| 4 | 300 |
| 5 | 696 |
| 6 | 1140 |
| 7 | 1764 |
| 8 | 2604 |
| 9 | 3240 |
| 10 | 3900 |
| 11 | 4536 |
| 12 | 4764 |
| 13 | 5316 |
| 14 | 5460 |
| 15 | 6000 |
| 16 | 6504 |
| 17 | 7116 |
| 18 | 7836 |
| 19 | 7860 |
| 20 | 8004 |
| 21 | 8484 |
| 22 | 9300 |
| 23 | 9864 |
| 24 | 9936 |
| 25 | 10020 |
| 26 | 11760 |
| 27 | 12180 |
| 28 | 13140 |
| 29 | 13656 |
| 30 | 14256 |
| 31 | 15096 |
| 32 | 16020 |
| 33 | 16440 |
| 34 | 16860 |
| 35 | 18000 |
| 36 | 19536 |
| 37 | 20016 |
| 38 | 20136 |
| 39 | 20280 |
| 40 | 21780 |
| 41 | 22116 |
| 42 | 22236 |
| 43 | 23940 |