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 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 13 |
| 6 | 21 |
| 7 | 43 |
| 8 | 68 |
| 9 | 116 |
| 10 | 185 |
| 11 | 311 |
| 12 | 464 |
| 13 | 757 |
| 14 | 1157 |
| 15 | 1741 |
| 16 | 2720 |
| 17 | 4081 |
| 18 | 6214 |
| 19 | 9199 |
| 20 | 14078 |
| 21 | 20353 |
| 22 | 31405 |
| 23 | 45035 |
| 24 | 68930 |
| 25 | 98224 |
| 26 | 150761 |
| 27 | 212706 |
| 28 | 326362 |
| 29 | 458725 |
| 30 | 702209 |
| 31 | 983011 |
| 32 | 1504400 |
| 33 | 2096441 |
| 34 | 3207137 |
| 35 | 4456139 |
| 36 | 6808172 |
| 37 | 9437149 |
| 38 | 14408669 |
| 39 | 19921297 |
| 40 | 30393800 |