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) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 3 |
| 7 | 3 |
| 8 | 5 |
| 9 | 8 |
| 10 | 12 |
| 11 | 20 |
| 12 | 31 |
| 13 | 48 |
| 14 | 76 |
| 15 | 119 |
| 16 | 187 |
| 17 | 294 |
| 18 | 461 |
| 19 | 724 |
| 20 | 1137 |
| 21 | 1785 |
| 22 | 2803 |
| 23 | 4401 |
| 24 | 6910 |
| 25 | 10850 |
| 26 | 17036 |
| 27 | 26749 |
| 28 | 42000 |
| 29 | 65946 |
| 30 | 103545 |
| 31 | 162581 |
| 32 | 255276 |
| 33 | 400821 |
| 34 | 629348 |
| 35 | 988169 |
| 36 | 1551571 |
| 37 | 2436195 |
| 38 | 3825185 |
| 39 | 6006104 |
| 40 | 9430468 |
| 41 | 14807224 |
| 42 | 23249523 |
| 43 | 36505176 |