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 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 11 |
| 9 | 17 |
| 10 | 27 |
| 11 | 43 |
| 12 | 67 |
| 13 | 105 |
| 14 | 165 |
| 15 | 259 |
| 16 | 407 |
| 17 | 639 |
| 18 | 1003 |
| 19 | 1575 |
| 20 | 2473 |
| 21 | 3883 |
| 22 | 6097 |
| 23 | 9573 |
| 24 | 15031 |
| 25 | 23601 |
| 26 | 37057 |
| 27 | 58185 |
| 28 | 91359 |
| 29 | 143447 |
| 30 | 225233 |
| 31 | 353649 |
| 32 | 555281 |
| 33 | 871873 |
| 34 | 1368969 |
| 35 | 2149483 |
| 36 | 3375005 |
| 37 | 5299255 |
| 38 | 8320611 |
| 39 | 13064585 |
| 40 | 20513323 |
| 41 | 32208939 |