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 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 16 |
| 8 | 30 |
| 9 | 56 |
| 10 | 106 |
| 11 | 201 |
| 12 | 382 |
| 13 | 727 |
| 14 | 1384 |
| 15 | 2636 |
| 16 | 5021 |
| 17 | 9565 |
| 18 | 18222 |
| 19 | 34715 |
| 20 | 66137 |
| 21 | 126001 |
| 22 | 240052 |
| 23 | 457338 |
| 24 | 871304 |
| 25 | 1659978 |
| 26 | 3162533 |
| 27 | 6025150 |
| 28 | 11478911 |
| 29 | 21869232 |
| 30 | 41664520 |
| 31 | 79377833 |
| 32 | 151227961 |
| 33 | 288114394 |
| 34 | 548905795 |