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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 3 |
| 8 | 5 |
| 9 | 8 |
| 10 | 13 |
| 11 | 20 |
| 12 | 29 |
| 13 | 42 |
| 14 | 62 |
| 15 | 83 |
| 16 | 117 |
| 17 | 158 |
| 18 | 214 |
| 19 | 283 |
| 20 | 377 |
| 21 | 488 |
| 22 | 641 |
| 23 | 823 |
| 24 | 1058 |
| 25 | 1345 |
| 26 | 1714 |
| 27 | 2154 |
| 28 | 2713 |
| 29 | 3387 |
| 30 | 4222 |
| 31 | 5230 |
| 32 | 6474 |
| 33 | 7959 |
| 34 | 9782 |
| 35 | 11956 |
| 36 | 14591 |
| 37 | 17737 |
| 38 | 21529 |
| 39 | 26026 |
| 40 | 31422 |
| 41 | 37811 |
| 42 | 45425 |
| 43 | 54418 |
| 44 | 65097 |
| 45 | 77652 |
| 46 | 92510 |
| 47 | 109943 |
| 48 | 130468 |