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 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 14 |
| 7 | 24 |
| 8 | 43 |
| 9 | 77 |
| 10 | 140 |
| 11 | 255 |
| 12 | 467 |
| 13 | 856 |
| 14 | 1572 |
| 15 | 2888 |
| 16 | 5309 |
| 17 | 9761 |
| 18 | 17950 |
| 19 | 33011 |
| 20 | 60713 |
| 21 | 111664 |
| 22 | 205378 |
| 23 | 377744 |
| 24 | 694775 |
| 25 | 1277885 |
| 26 | 2350392 |
| 27 | 4323039 |
| 28 | 7951303 |
| 29 | 14624720 |
| 30 | 26899048 |
| 31 | 49475056 |
| 32 | 90998809 |
| 33 | 167372897 |
| 34 | 307846746 |