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 | 2 |
| 4 | 2 |
| 5 | 4 |
| 6 | 7 |
| 7 | 10 |
| 8 | 17 |
| 9 | 28 |
| 10 | 44 |
| 11 | 72 |
| 12 | 117 |
| 13 | 188 |
| 14 | 305 |
| 15 | 494 |
| 16 | 798 |
| 17 | 1292 |
| 18 | 2091 |
| 19 | 3382 |
| 20 | 5473 |
| 21 | 8856 |
| 22 | 14328 |
| 23 | 23184 |
| 24 | 37513 |
| 25 | 60696 |
| 26 | 98209 |
| 27 | 158906 |
| 28 | 257114 |
| 29 | 416020 |
| 30 | 673135 |
| 31 | 1089154 |
| 32 | 1762289 |
| 33 | 2851444 |
| 34 | 4613732 |
| 35 | 7465176 |
| 36 | 12078909 |
| 37 | 19544084 |
| 38 | 31622993 |
| 39 | 51167078 |
| 40 | 82790070 |