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 | 2 |
| 3 | 5 |
| 4 | 12 |
| 5 | 26 |
| 6 | 56 |
| 7 | 125 |
| 8 | 279 |
| 9 | 618 |
| 10 | 1367 |
| 11 | 3030 |
| 12 | 6720 |
| 13 | 14896 |
| 14 | 33013 |
| 15 | 73173 |
| 16 | 162198 |
| 17 | 359525 |
| 18 | 796900 |
| 19 | 1766366 |
| 20 | 3915256 |
| 21 | 8678393 |
| 22 | 19236131 |
| 23 | 42637934 |
| 24 | 94509351 |
| 25 | 209485238 |
| 26 | 464335636 |
| 27 | 1029225640 |
| 28 | 2281335673 |
| 29 | 5056707001 |
| 30 | 11208471338 |
| 31 | 24844197877 |
| 32 | 55068541516 |