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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 9 |
| 7 | 14 |
| 8 | 28 |
| 9 | 47 |
| 10 | 88 |
| 11 | 152 |
| 12 | 279 |
| 13 | 486 |
| 14 | 876 |
| 15 | 1539 |
| 16 | 2744 |
| 17 | 4824 |
| 18 | 8551 |
| 19 | 15023 |
| 20 | 26503 |
| 21 | 46509 |
| 22 | 81747 |
| 23 | 143210 |
| 24 | 251007 |
| 25 | 438915 |
| 26 | 767403 |
| 27 | 1339487 |
| 28 | 2336955 |
| 29 | 4071906 |
| 30 | 7090589 |
| 31 | 12333894 |
| 32 | 21440241 |
| 33 | 37235775 |
| 34 | 64624267 |
| 35 | 112067176 |
| 36 | 194209732 |
| 37 | 336313393 |
| 38 | 582019000 |