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 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 11 |
| 8 | 19 |
| 9 | 30 |
| 10 | 49 |
| 11 | 68 |
| 12 | 87 |
| 13 | 106 |
| 14 | 193 |
| 15 | 299 |
| 16 | 492 |
| 17 | 685 |
| 18 | 878 |
| 19 | 1071 |
| 20 | 1264 |
| 21 | 1457 |
| 22 | 2721 |
| 23 | 4178 |
| 24 | 6899 |
| 25 | 9620 |
| 26 | 12341 |
| 27 | 15062 |
| 28 | 17783 |
| 29 | 20504 |
| 30 | 23225 |
| 31 | 25946 |
| 32 | 49171 |
| 33 | 75117 |
| 34 | 124288 |
| 35 | 173459 |
| 36 | 222630 |
| 37 | 271801 |
| 38 | 320972 |
| 39 | 370143 |
| 40 | 419314 |
| 41 | 468485 |
| 42 | 517656 |
| 43 | 566827 |