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 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 6 |
| 4 | 11 |
| 5 | 35 |
| 6 | 73 |
| 7 | 182 |
| 8 | 374 |
| 9 | 816 |
| 10 | 1615 |
| 11 | 3244 |
| 12 | 6160 |
| 13 | 11678 |
| 14 | 21353 |
| 15 | 38742 |
| 16 | 68541 |
| 17 | 120082 |
| 18 | 206448 |
| 19 | 351386 |
| 20 | 589237 |
| 21 | 978626 |
| 22 | 1605582 |
| 23 | 2610694 |
| 24 | 4201319 |
| 25 | 6705559 |
| 26 | 10607058 |
| 27 | 16652362 |
| 28 | 25937765 |
| 29 | 40122446 |
| 30 | 61629301 |
| 31 | 94066442 |
| 32 | 142668403 |