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 | 180 |
| 3 | 918 |
| 4 | 1188 |
| 5 | 1800 |
| 6 | 1818 |
| 7 | 1836 |
| 8 | 1854 |
| 9 | 1872 |
| 10 | 1890 |
| 11 | 2718 |
| 12 | 3186 |
| 13 | 3618 |
| 14 | 4518 |
| 15 | 5184 |
| 16 | 5418 |
| 17 | 6318 |
| 18 | 7182 |
| 19 | 7218 |
| 20 | 8118 |
| 21 | 9018 |
| 22 | 9180 |
| 23 | 9918 |
| 24 | 10188 |
| 25 | 10818 |
| 26 | 11718 |
| 27 | 11808 |
| 28 | 11826 |
| 29 | 11844 |
| 30 | 11862 |
| 31 | 11880 |
| 32 | 11898 |
| 33 | 12186 |
| 34 | 12618 |
| 35 | 13518 |
| 36 | 14184 |
| 37 | 14418 |
| 38 | 15318 |
| 39 | 16182 |