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 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 8 |
| 6 | 14 |
| 7 | 20 |
| 8 | 35 |
| 9 | 64 |
| 10 | 122 |
| 11 | 260 |
| 12 | 586 |
| 13 | 1296 |
| 14 | 2708 |
| 15 | 5400 |
| 16 | 10468 |
| 17 | 19888 |
| 18 | 37580 |
| 19 | 71960 |
| 20 | 140612 |
| 21 | 279264 |
| 22 | 560544 |
| 23 | 1133760 |
| 24 | 2310316 |
| 25 | 4750368 |
| 26 | 9876264 |
| 27 | 20788880 |
| 28 | 44282696 |
| 29 | 95241664 |
| 30 | 206150208 |
| 31 | 447470464 |
| 32 | 970862029 |
| 33 | 2100029344 |