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 | 2 |
| 3 | 4 |
| 4 | 62 |
| 5 | 80 |
| 6 | 122 |
| 7 | 136 |
| 8 | 658 |
| 9 | 1918 |
| 10 | 2998 |
| 11 | 3404 |
| 12 | 4042 |
| 13 | 5678 |
| 14 | 8378 |
| 15 | 10438 |
| 16 | 23530 |
| 17 | 24610 |
| 18 | 29090 |
| 19 | 41650 |
| 20 | 120818 |