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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 7 |
| 6 | 13 |
| 7 | 21 |
| 8 | 35 |
| 9 | 63 |
| 10 | 117 |
| 11 | 213 |
| 12 | 379 |
| 13 | 671 |
| 14 | 1197 |
| 15 | 2149 |
| 16 | 3859 |
| 17 | 6911 |
| 18 | 12357 |
| 19 | 22101 |
| 20 | 39563 |
| 21 | 70847 |
| 22 | 126845 |
| 23 | 227045 |
| 24 | 406371 |
| 25 | 727391 |
| 26 | 1302101 |
| 27 | 2330901 |
| 28 | 4172443 |
| 29 | 7468767 |
| 30 | 13369293 |
| 31 | 23931621 |
| 32 | 42838835 |
| 33 | 76683583 |
| 34 | 137266917 |
| 35 | 245713493 |