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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 17 |
| 9 | 28 |
| 10 | 46 |
| 11 | 76 |
| 12 | 124 |
| 13 | 204 |
| 14 | 337 |
| 15 | 557 |
| 16 | 923 |
| 17 | 1535 |
| 18 | 2556 |
| 19 | 4266 |
| 20 | 7131 |
| 21 | 11939 |
| 22 | 20019 |
| 23 | 33611 |
| 24 | 56504 |
| 25 | 95096 |
| 26 | 160218 |
| 27 | 270199 |
| 28 | 456095 |
| 29 | 770547 |
| 30 | 1302837 |
| 31 | 2204486 |
| 32 | 3732769 |
| 33 | 6324750 |
| 34 | 10723278 |
| 35 | 18191510 |
| 36 | 30878276 |
| 37 | 52440601 |
| 38 | 89104745 |
| 39 | 151475242 |
| 40 | 257620263 |
| 41 | 438335394 |
| 42 | 746126537 |