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 | 6 |
| 4 | 10 |
| 5 | 18 |
| 6 | 40 |
| 7 | 46 |
| 8 | 86 |
| 9 | 118 |
| 10 | 170 |
| 11 | 1172 |
| 12 | 1698 |
| 13 | 1810 |
| 14 | 2268 |
| 15 | 4338 |
| 16 | 18362 |
| 17 | 72662 |
| 18 | 88392 |
| 19 | 94110 |
| 20 | 161538 |
| 21 | 168660 |
| 22 | 292340 |
| 23 | 401208 |
| 24 | 560750 |
| 25 | 1035092 |