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) |
|---|---|
| 0 | 0 |
| 1 | 12 |
| 2 | 60 |
| 3 | 168 |
| 4 | 360 |
| 5 | 660 |
| 6 | 1092 |
| 7 | 1680 |
| 8 | 2448 |
| 9 | 3420 |
| 10 | 4620 |
| 11 | 6072 |
| 12 | 7800 |
| 13 | 9828 |
| 14 | 12180 |
| 15 | 14880 |
| 16 | 17952 |
| 17 | 21420 |
| 18 | 25308 |
| 19 | 29640 |
| 20 | 34440 |
| 21 | 39732 |
| 22 | 45540 |
| 23 | 51888 |
| 24 | 58800 |
| 25 | 66300 |
| 26 | 74412 |
| 27 | 83160 |
| 28 | 92568 |
| 29 | 102660 |
| 30 | 113460 |
| 31 | 124992 |
| 32 | 137280 |
| 33 | 150348 |
| 34 | 164220 |
| 35 | 178920 |
| 36 | 194472 |
| 37 | 210900 |
| 38 | 228228 |