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 | 0 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 11 |
| 7 | 16 |
| 8 | 25 |
| 9 | 40 |
| 10 | 65 |
| 11 | 102 |
| 12 | 168 |
| 13 | 275 |
| 14 | 446 |
| 15 | 739 |
| 16 | 1229 |
| 17 | 2039 |
| 18 | 3401 |
| 19 | 5703 |
| 20 | 9592 |
| 21 | 16144 |
| 22 | 27293 |
| 23 | 46243 |
| 24 | 78498 |
| 25 | 133551 |
| 26 | 227647 |
| 27 | 388683 |
| 28 | 664579 |
| 29 | 1138288 |
| 30 | 1951957 |
| 31 | 3351550 |
| 32 | 5761455 |
| 33 | 9915892 |
| 34 | 17082666 |
| 35 | 29458442 |
| 36 | 50847534 |
| 37 | 87842213 |
| 38 | 151876932 |
| 39 | 262795354 |