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 | 3 |
| 2 | 9 |
| 3 | 10 |
| 4 | 11 |
| 5 | 30 |
| 6 | 36 |
| 7 | 94 |
| 8 | 96 |
| 9 | 105 |
| 10 | 114 |
| 11 | 305 |
| 12 | 1043 |
| 13 | 2988 |
| 14 | 3303 |
| 15 | 3363 |
| 16 | 11363 |
| 17 | 3021769 |
| 18 | 3054388 |
| 19 | 10627009 |
| 20 | 33330030 |
| 21 | 33330036 |
| 22 | 33336636 |
| 23 | 94302243 |
| 24 | 115470036 |
| 25 | 305177471 |
| 26 | 336352955885 |
| 27 | 330353339515569 |
| 28 | 955663806624114 |