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 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 5 |
| 9 | 11 |
| 10 | 21 |
| 11 | 36 |
| 12 | 57 |
| 13 | 85 |
| 14 | 122 |
| 15 | 173 |
| 16 | 249 |
| 17 | 371 |
| 18 | 575 |
| 19 | 918 |
| 20 | 1485 |
| 21 | 2398 |
| 22 | 3830 |
| 23 | 6030 |
| 24 | 9369 |
| 25 | 14422 |
| 26 | 22107 |
| 27 | 33909 |
| 28 | 52226 |
| 29 | 80888 |
| 30 | 125925 |
| 31 | 196706 |
| 32 | 307653 |
| 33 | 480873 |
| 34 | 750275 |
| 35 | 1168085 |
| 36 | 1815191 |
| 37 | 2817518 |
| 38 | 4371772 |
| 39 | 6785606 |
| 40 | 10539893 |
| 41 | 16384908 |
| 42 | 25488736 |