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 | 2 |
| 2 | 12 |
| 3 | 13 |
| 4 | 112 |
| 5 | 113 |
| 6 | 114 |
| 7 | 115 |
| 8 | 232 |
| 9 | 233 |
| 10 | 234 |
| 11 | 235 |
| 12 | 236 |
| 13 | 237 |
| 14 | 238 |
| 15 | 239 |
| 16 | 3840 |
| 17 | 3841 |
| 18 | 3842 |
| 19 | 3843 |
| 20 | 3844 |
| 21 | 3845 |
| 22 | 3846 |
| 23 | 3847 |
| 24 | 3848 |
| 25 | 3849 |
| 26 | 3850 |
| 27 | 3851 |
| 28 | 3852 |
| 29 | 3853 |
| 30 | 3854 |
| 31 | 3855 |
| 32 | 7712 |
| 33 | 7713 |
| 34 | 7714 |
| 35 | 7715 |