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 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 2 |
| 7 | 4 |
| 8 | 6 |
| 9 | 9 |
| 10 | 14 |
| 11 | 23 |
| 12 | 36 |
| 13 | 59 |
| 14 | 95 |
| 15 | 153 |
| 16 | 247 |
| 17 | 400 |
| 18 | 646 |
| 19 | 1046 |
| 20 | 1692 |
| 21 | 2737 |
| 22 | 4428 |
| 23 | 7165 |
| 24 | 11592 |
| 25 | 18757 |
| 26 | 30349 |
| 27 | 49105 |
| 28 | 79453 |
| 29 | 128558 |
| 30 | 208010 |
| 31 | 336568 |
| 32 | 544578 |
| 33 | 881145 |
| 34 | 1425722 |
| 35 | 2306867 |
| 36 | 3732588 |
| 37 | 6039455 |
| 38 | 9772043 |
| 39 | 15811497 |
| 40 | 25583539 |
| 41 | 41395036 |
| 42 | 66978574 |