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 | 5 |
| 3 | 12 |
| 4 | 27 |
| 5 | 55 |
| 6 | 107 |
| 7 | 203 |
| 8 | 375 |
| 9 | 684 |
| 10 | 1229 |
| 11 | 2189 |
| 12 | 3863 |
| 13 | 6773 |
| 14 | 11801 |
| 15 | 20460 |
| 16 | 35311 |
| 17 | 60707 |
| 18 | 104003 |
| 19 | 177631 |
| 20 | 302539 |
| 21 | 513996 |
| 22 | 871265 |
| 23 | 1473817 |
| 24 | 2488367 |
| 25 | 4194025 |
| 26 | 7057517 |
| 27 | 11858508 |
| 28 | 19898115 |
| 29 | 33345679 |
| 30 | 55814939 |
| 31 | 93320819 |
| 32 | 155867103 |