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 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 15 |
| 6 | 26 |
| 7 | 44 |
| 8 | 76 |
| 9 | 131 |
| 10 | 225 |
| 11 | 387 |
| 12 | 665 |
| 13 | 1142 |
| 14 | 1964 |
| 15 | 3375 |
| 16 | 5801 |
| 17 | 9970 |
| 18 | 17137 |
| 19 | 29454 |
| 20 | 50625 |
| 21 | 87013 |
| 22 | 149555 |
| 23 | 257051 |
| 24 | 441813 |
| 25 | 759375 |
| 26 | 1305192 |
| 27 | 2243328 |
| 28 | 3855769 |
| 29 | 6627188 |
| 30 | 11390625 |
| 31 | 19577886 |
| 32 | 33649922 |