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 | 3 |
| 2 | 8 |
| 3 | 17 |
| 4 | 34 |
| 5 | 64 |
| 6 | 117 |
| 7 | 209 |
| 8 | 368 |
| 9 | 641 |
| 10 | 1108 |
| 11 | 1904 |
| 12 | 3257 |
| 13 | 5551 |
| 14 | 9432 |
| 15 | 15985 |
| 16 | 27030 |
| 17 | 45616 |
| 18 | 76845 |
| 19 | 129245 |
| 20 | 217056 |
| 21 | 364033 |
| 22 | 609768 |
| 23 | 1020192 |
| 24 | 1705009 |
| 25 | 2846619 |
| 26 | 4748072 |
| 27 | 7912529 |
| 28 | 13174858 |
| 29 | 21919456 |
| 30 | 36440613 |
| 31 | 60538409 |
| 32 | 100503632 |
| 33 | 166744961 |
| 34 | 276476092 |
| 35 | 458151440 |