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 | 4 |
| 2 | 24 |
| 3 | 60 |
| 4 | 112 |
| 5 | 180 |
| 6 | 264 |
| 7 | 364 |
| 8 | 480 |
| 9 | 612 |
| 10 | 760 |
| 11 | 924 |
| 12 | 1104 |
| 13 | 1300 |
| 14 | 1512 |
| 15 | 1740 |
| 16 | 1984 |
| 17 | 2244 |
| 18 | 2520 |
| 19 | 2812 |
| 20 | 3120 |
| 21 | 3444 |
| 22 | 3784 |
| 23 | 4140 |
| 24 | 4512 |
| 25 | 4900 |
| 26 | 5304 |
| 27 | 5724 |
| 28 | 6160 |
| 29 | 6612 |
| 30 | 7080 |
| 31 | 7564 |
| 32 | 8064 |
| 33 | 8580 |
| 34 | 9112 |
| 35 | 9660 |
| 36 | 10224 |
| 37 | 10804 |
| 38 | 11400 |
| 39 | 12012 |
| 40 | 12640 |
| 41 | 13284 |