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 | 0 |
| 2 | 38 |
| 3 | 217 |
| 4 | 1297 |
| 5 | 1311 |
| 6 | 7777 |
| 7 | 7779 |
| 8 | 7790 |
| 9 | 7833 |
| 10 | 46657 |
| 11 | 279937 |
| 12 | 279938 |
| 13 | 279986 |
| 14 | 280043 |
| 15 | 280238 |
| 16 | 1679617 |
| 17 | 1681257 |
| 18 | 10077697 |
| 19 | 10077698 |
| 20 | 10077710 |
| 21 | 10077803 |
| 22 | 10077962 |
| 23 | 10078343 |
| 24 | 10079524 |
| 25 | 60466177 |
| 26 | 60466179 |
| 27 | 60475766 |
| 28 | 362797057 |