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 | 138 |
| 4 | 192 |
| 5 | 462 |
| 6 | 660 |
| 7 | 822 |
| 8 | 1092 |
| 9 | 1722 |
| 10 | 2028 |
| 11 | 2082 |
| 12 | 2712 |
| 13 | 3360 |
| 14 | 3540 |
| 15 | 3918 |
| 16 | 6132 |
| 17 | 6762 |
| 18 | 7590 |
| 19 | 7878 |
| 20 | 7950 |
| 21 | 8220 |
| 22 | 9462 |
| 23 | 9858 |
| 24 | 11352 |
| 25 | 12108 |
| 26 | 12378 |
| 27 | 13692 |
| 28 | 13998 |
| 29 | 14448 |
| 30 | 16140 |
| 31 | 16230 |
| 32 | 17292 |
| 33 | 17418 |
| 34 | 17580 |
| 35 | 18912 |
| 36 | 19470 |
| 37 | 19542 |
| 38 | 19992 |
| 39 | 20550 |
| 40 | 20748 |