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 | 1 |
| 2 | 45 |
| 3 | 1423 |
| 4 | 1749 |
| 5 | 1994 |
| 6 | 5573 |
| 7 | 9726 |
| 8 | 9779 |
| 9 | 17964 |
| 10 | 27347 |
| 11 | 79002 |
| 12 | 108761 |
| 13 | 145072 |
| 14 | 407850 |
| 15 | 1905090 |
| 16 | 2010852 |