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 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 5 |
| 7 | 13 |
| 8 | 18 |
| 9 | 39 |
| 10 | 57 |
| 11 | 112 |
| 12 | 169 |
| 13 | 313 |
| 14 | 482 |
| 15 | 859 |
| 16 | 1341 |
| 17 | 2328 |
| 18 | 3669 |
| 19 | 6253 |
| 20 | 9922 |
| 21 | 16687 |
| 22 | 26609 |
| 23 | 44320 |
| 24 | 70929 |
| 25 | 117297 |
| 26 | 188226 |
| 27 | 309619 |
| 28 | 497845 |
| 29 | 815656 |
| 30 | 1313501 |
| 31 | 2145541 |