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) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 4 |
| 5 | 5 |
| 6 | 10 |
| 7 | 18 |
| 8 | 35 |
| 9 | 65 |
| 10 | 120 |
| 11 | 225 |
| 12 | 430 |
| 13 | 814 |
| 14 | 1549 |
| 15 | 2981 |
| 16 | 5739 |
| 17 | 11084 |
| 18 | 21474 |
| 19 | 41663 |
| 20 | 81033 |
| 21 | 157830 |
| 22 | 307912 |
| 23 | 601482 |
| 24 | 1176314 |
| 25 | 2302911 |
| 26 | 4513106 |
| 27 | 8851907 |
| 28 | 17376317 |
| 29 | 34134944 |
| 30 | 67101922 |
| 31 | 131990741 |
| 32 | 259779732 |
| 33 | 511566355 |
| 34 | 1007901666 |