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 | 1 |
| 1 | 12 |
| 2 | 23 |
| 3 | 265 |
| 4 | 276 |
| 5 | 529 |
| 6 | 6084 |
| 7 | 6095 |
| 8 | 6348 |
| 9 | 12167 |
| 10 | 139921 |
| 11 | 139932 |
| 12 | 140185 |
| 13 | 146004 |
| 14 | 279841 |
| 15 | 3218172 |
| 16 | 3218183 |
| 17 | 3218436 |
| 18 | 3224255 |
| 19 | 3358092 |
| 20 | 6436343 |
| 21 | 74017945 |
| 22 | 74017956 |
| 23 | 74018209 |
| 24 | 74024028 |
| 25 | 74157865 |
| 26 | 77236116 |
| 27 | 148035889 |
| 28 | 1702412724 |