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 | 30 |
| 3 | 54 |
| 4 | 84 |
| 5 | 120 |
| 6 | 162 |
| 7 | 210 |
| 8 | 264 |
| 9 | 324 |
| 10 | 390 |
| 11 | 462 |
| 12 | 540 |
| 13 | 624 |
| 14 | 714 |
| 15 | 810 |
| 16 | 912 |
| 17 | 1020 |
| 18 | 1134 |
| 19 | 1254 |
| 20 | 1380 |
| 21 | 1512 |
| 22 | 1650 |
| 23 | 1794 |
| 24 | 1944 |
| 25 | 2100 |
| 26 | 2262 |
| 27 | 2430 |
| 28 | 2604 |
| 29 | 2784 |
| 30 | 2970 |
| 31 | 3162 |
| 32 | 3360 |
| 33 | 3564 |
| 34 | 3774 |
| 35 | 3990 |
| 36 | 4212 |
| 37 | 4440 |
| 38 | 4674 |
| 39 | 4914 |
| 40 | 5160 |
| 41 | 5412 |
| 42 | 5670 |
| 43 | 5934 |
| 44 | 6204 |
| 45 | 6480 |