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 | 6 |
| 3 | 20 |
| 4 | 51 |
| 5 | 112 |
| 6 | 224 |
| 7 | 421 |
| 8 | 758 |
| 9 | 1324 |
| 10 | 2263 |
| 11 | 3808 |
| 12 | 6336 |
| 13 | 10457 |
| 14 | 17158 |
| 15 | 28036 |
| 16 | 45675 |
| 17 | 74256 |
| 18 | 120544 |
| 19 | 195485 |
| 20 | 316790 |
| 21 | 513116 |
| 22 | 830831 |
| 23 | 1344960 |
| 24 | 2176896 |
| 25 | 3523057 |
| 26 | 5701254 |
| 27 | 9225716 |
| 28 | 14928483 |
| 29 | 24155824 |
| 30 | 39086048 |
| 31 | 63243733 |
| 32 | 102331766 |