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 | 7 |
| 2 | 18 |
| 3 | 110 |
| 4 | 49 |
| 5 | 954 |
| 6 | 35237 |
| 7 | 171 |
| 8 | 11591 |
| 9 | 1662837 |
| 10 | 308435024 |
| 11 | 637 |
| 12 | 155310 |
| 13 | 86538181 |
| 14 | 63440607699 |
| 15 | 52006454275147 |