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 | 18 |
| 2 | 126 |
| 3 | 168 |
| 4 | 216 |
| 5 | 468 |
| 6 | 918 |
| 7 | 1026 |
| 8 | 1140 |
| 9 | 1260 |
| 10 | 1518 |
| 11 | 1950 |
| 12 | 2106 |
| 13 | 2268 |
| 14 | 2790 |
| 15 | 3168 |
| 16 | 3996 |
| 17 | 4218 |
| 18 | 5418 |
| 19 | 5676 |
| 20 | 5940 |
| 21 | 6210 |
| 22 | 6768 |
| 23 | 7056 |
| 24 | 7650 |
| 25 | 8268 |
| 26 | 8910 |
| 27 | 9240 |
| 28 | 9576 |
| 29 | 9918 |
| 30 | 10266 |
| 31 | 10620 |
| 32 | 11346 |
| 33 | 11718 |
| 34 | 13668 |
| 35 | 14076 |
| 36 | 15336 |
| 37 | 15768 |
| 38 | 16650 |
| 39 | 17556 |
| 40 | 18018 |
| 41 | 18486 |
| 42 | 18960 |
| 43 | 20418 |
| 44 | 21420 |
| 45 | 22446 |