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 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 7 |
| 9 | 10 |
| 10 | 14 |
| 11 | 20 |
| 12 | 30 |
| 13 | 45 |
| 14 | 68 |
| 15 | 104 |
| 16 | 161 |
| 17 | 251 |
| 18 | 393 |
| 19 | 618 |
| 20 | 976 |
| 21 | 1547 |
| 22 | 2459 |
| 23 | 3917 |
| 24 | 6251 |
| 25 | 9993 |
| 26 | 15999 |
| 27 | 25647 |
| 28 | 41157 |
| 29 | 66108 |
| 30 | 106272 |
| 31 | 170961 |
| 32 | 275202 |
| 33 | 443250 |
| 34 | 714265 |
| 35 | 1151486 |
| 36 | 1857057 |
| 37 | 2995991 |
| 38 | 4834907 |
| 39 | 7804653 |
| 40 | 12601553 |
| 41 | 20351114 |
| 42 | 32872743 |
| 43 | 53107823 |
| 44 | 85811996 |
| 45 | 138674777 |
| 46 | 224130364 |
| 47 | 362286475 |