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 | 36 |
| 3 | 60 |
| 4 | 120 |
| 5 | 168 |
| 6 | 312 |
| 7 | 420 |
| 8 | 684 |
| 9 | 960 |
| 10 | 1428 |
| 11 | 1932 |
| 12 | 2856 |
| 13 | 3780 |
| 14 | 5280 |
| 15 | 7068 |
| 16 | 9612 |
| 17 | 12576 |
| 18 | 16884 |
| 19 | 21840 |
| 20 | 28788 |
| 21 | 37044 |
| 22 | 47976 |
| 23 | 61104 |
| 24 | 78540 |
| 25 | 99156 |
| 26 | 125832 |
| 27 | 157980 |
| 28 | 198744 |
| 29 | 247560 |
| 30 | 309276 |
| 31 | 382764 |
| 32 | 474552 |
| 33 | 584304 |
| 34 | 719520 |
| 35 | 881076 |
| 36 | 1079244 |
| 37 | 1314636 |
| 38 | 1601268 |
| 39 | 1942080 |
| 40 | 2354016 |
| 41 | 2842116 |