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 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 19 |
| 7 | 35 |
| 8 | 62 |
| 9 | 118 |
| 10 | 219 |
| 11 | 414 |
| 12 | 783 |
| 13 | 1497 |
| 14 | 2860 |
| 15 | 5503 |
| 16 | 10593 |
| 17 | 20471 |
| 18 | 39637 |
| 19 | 76918 |
| 20 | 149501 |
| 21 | 291115 |
| 22 | 567581 |
| 23 | 1108022 |
| 24 | 2165621 |
| 25 | 4237085 |
| 26 | 8297727 |
| 27 | 16264207 |
| 28 | 31904254 |
| 29 | 62630372 |
| 30 | 123031586 |
| 31 | 241837446 |
| 32 | 475647114 |
| 33 | 936020000 |
| 34 | 1842925873 |