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 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 6 |
| 8 | 10 |
| 9 | 15 |
| 10 | 22 |
| 11 | 34 |
| 12 | 53 |
| 13 | 80 |
| 14 | 121 |
| 15 | 187 |
| 16 | 287 |
| 17 | 436 |
| 18 | 666 |
| 19 | 1023 |
| 20 | 1564 |
| 21 | 2386 |
| 22 | 3652 |
| 23 | 5593 |
| 24 | 8548 |
| 25 | 13065 |
| 26 | 19995 |
| 27 | 30590 |
| 28 | 46767 |
| 29 | 71524 |
| 30 | 109425 |
| 31 | 167361 |
| 32 | 255934 |
| 33 | 391466 |
| 34 | 598795 |
| 35 | 915805 |
| 36 | 1400649 |
| 37 | 2142358 |
| 38 | 3276767 |
| 39 | 5011632 |
| 40 | 7665186 |
| 41 | 11724011 |
| 42 | 17931702 |
| 43 | 27426003 |