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 | 6 |
| 3 | 17 |
| 4 | 38 |
| 5 | 80 |
| 6 | 158 |
| 7 | 303 |
| 8 | 566 |
| 9 | 1039 |
| 10 | 1880 |
| 11 | 3364 |
| 12 | 5964 |
| 13 | 10493 |
| 14 | 18342 |
| 15 | 31885 |
| 16 | 55162 |
| 17 | 95032 |
| 18 | 163114 |
| 19 | 279051 |
| 20 | 475990 |
| 21 | 809771 |
| 22 | 1374316 |
| 23 | 2327372 |
| 24 | 3933528 |
| 25 | 6636025 |
| 26 | 11176518 |
| 27 | 18794633 |
| 28 | 31560206 |
| 29 | 52925984 |
| 30 | 88646390 |
| 31 | 148303719 |
| 32 | 247841654 |