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) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 11 |
| 7 | 28 |
| 8 | 45 |
| 9 | 117 |
| 10 | 189 |
| 11 | 494 |
| 12 | 799 |
| 13 | 2091 |
| 14 | 3383 |
| 15 | 8856 |
| 16 | 14329 |
| 17 | 37513 |
| 18 | 60697 |
| 19 | 158906 |
| 20 | 257115 |
| 21 | 673135 |
| 22 | 1089155 |
| 23 | 2851444 |
| 24 | 4613733 |
| 25 | 12078909 |
| 26 | 19544085 |
| 27 | 51167078 |
| 28 | 82790071 |
| 29 | 216747219 |
| 30 | 350704367 |
| 31 | 918155952 |
| 32 | 1485607537 |
| 33 | 3889371025 |