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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 5 |
| 8 | 6 |
| 9 | 8 |
| 10 | 11 |
| 11 | 14 |
| 12 | 18 |
| 13 | 24 |
| 14 | 31 |
| 15 | 42 |
| 16 | 54 |
| 17 | 72 |
| 18 | 97 |
| 19 | 128 |
| 20 | 172 |
| 21 | 229 |
| 22 | 309 |
| 23 | 418 |
| 24 | 564 |
| 25 | 760 |
| 26 | 1028 |
| 27 | 1393 |
| 28 | 1900 |
| 29 | 2585 |
| 30 | 3512 |
| 31 | 4792 |
| 32 | 6542 |
| 33 | 8952 |
| 34 | 12251 |
| 35 | 16777 |
| 36 | 23000 |
| 37 | 31579 |
| 38 | 43390 |
| 39 | 59631 |
| 40 | 82025 |
| 41 | 112957 |
| 42 | 155611 |
| 43 | 214516 |
| 44 | 295947 |
| 45 | 408493 |
| 46 | 564163 |
| 47 | 779638 |