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 | 5 |
| 3 | 11 |
| 4 | 131 |
| 5 | 313 |
| 6 | 94349 |
| 7 | 1123211 |
| 8 | 1212121 |
| 9 | 1360631 |
| 10 | 1422241 |
| 11 | 3075703 |
| 12 | 3293923 |
| 13 | 3400043 |
| 14 | 3447443 |
| 15 | 9711179 |
| 16 | 9852589 |
| 17 | 100161001 |
| 18 | 101171101 |
| 19 | 108505801 |
| 20 | 109111901 |
| 21 | 13929592931 |
| 22 | 14125852141 |
| 23 | 14209390241 |
| 24 | 14895559841 |
| 25 | 14986568941 |
| 26 | 15911711951 |
| 27 | 16172327161 |
| 28 | 16257475261 |
| 29 | 16727672761 |