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 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 3 |
| 8 | 6 |
| 9 | 9 |
| 10 | 16 |
| 11 | 23 |
| 12 | 36 |
| 13 | 52 |
| 14 | 78 |
| 15 | 111 |
| 16 | 163 |
| 17 | 227 |
| 18 | 322 |
| 19 | 444 |
| 20 | 618 |
| 21 | 841 |
| 22 | 1151 |
| 23 | 1550 |
| 24 | 2094 |
| 25 | 2793 |
| 26 | 3730 |
| 27 | 4931 |
| 28 | 6522 |
| 29 | 8555 |
| 30 | 11216 |
| 31 | 14608 |