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 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 2 |
| 7 | 2 |
| 8 | 3 |
| 9 | 5 |
| 10 | 7 |
| 11 | 11 |
| 12 | 18 |
| 13 | 27 |
| 14 | 45 |
| 15 | 75 |
| 16 | 125 |
| 17 | 207 |
| 18 | 353 |
| 19 | 591 |
| 20 | 1013 |
| 21 | 1731 |
| 22 | 2984 |
| 23 | 5122 |
| 24 | 8905 |
| 25 | 15369 |
| 26 | 26839 |
| 27 | 46732 |
| 28 | 81850 |
| 29 | 142932 |
| 30 | 251693 |
| 31 | 441062 |
| 32 | 778730 |
| 33 | 1370591 |
| 34 | 2425823 |
| 35 | 4281620 |
| 36 | 7601359 |
| 37 | 13447298 |
| 38 | 23919512 |
| 39 | 42444497 |
| 40 | 75632126 |
| 41 | 134454505 |
| 42 | 240100289 |