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 | 12 |
| 2 | 30 |
| 3 | 390 |
| 4 | 1170 |
| 5 | 1200 |
| 6 | 1560 |
| 7 | 2340 |
| 8 | 2760 |
| 9 | 3120 |
| 10 | 3900 |
| 11 | 4680 |
| 12 | 6120 |
| 13 | 6240 |
| 14 | 7680 |
| 15 | 7800 |
| 16 | 8460 |
| 17 | 10020 |
| 18 | 10140 |
| 19 | 10950 |
| 20 | 11580 |
| 21 | 15090 |
| 22 | 15480 |
| 23 | 17160 |
| 24 | 17580 |
| 25 | 18360 |
| 26 | 19140 |
| 27 | 20280 |
| 28 | 20700 |
| 29 | 20940 |
| 30 | 21480 |
| 31 | 23040 |
| 32 | 23280 |
| 33 | 24060 |
| 34 | 24210 |
| 35 | 24960 |
| 36 | 26550 |
| 37 | 28740 |
| 38 | 29250 |
| 39 | 29520 |
| 40 | 29670 |
| 41 | 30060 |
| 42 | 31080 |
| 43 | 32400 |