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 | 11 |
| 3 | 11 |
| 4 | 23 |
| 5 | 62 |
| 6 | 66 |
| 7 | 466 |
| 8 | 1450 |
| 9 | 7617 |
| 10 | 95677 |
| 11 | 100963 |
| 12 | 153329 |
| 13 | 966054 |
| 14 | 4744661 |
| 15 | 23899231 |
| 16 | 25086529 |
| 17 | 52363821 |
| 18 | 100389201 |
| 19 | 201892089 |
| 20 | 261170111 |
| 21 | 312778184 |
| 22 | 527002514 |
| 23 | 1235004065 |
| 24 | 1623652949 |
| 25 | 2309078745 |
| 26 | 8274570969 |