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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 7 |
| 7 | 12 |
| 8 | 17 |
| 9 | 28 |
| 10 | 42 |
| 11 | 68 |
| 12 | 103 |
| 13 | 168 |
| 14 | 260 |
| 15 | 420 |
| 16 | 665 |
| 17 | 1075 |
| 18 | 1716 |
| 19 | 2787 |
| 20 | 4489 |
| 21 | 7304 |
| 22 | 11849 |
| 23 | 19333 |
| 24 | 31504 |
| 25 | 51561 |
| 26 | 84347 |
| 27 | 138378 |
| 28 | 227096 |
| 29 | 373445 |
| 30 | 614441 |
| 31 | 1012583 |
| 32 | 1669774 |
| 33 | 2756951 |
| 34 | 4555183 |
| 35 | 7533988 |
| 36 | 12469301 |
| 37 | 20655523 |
| 38 | 34238310 |
| 39 | 56795325 |
| 40 | 94270949 |