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 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 4 |
| 7 | 6 |
| 8 | 13 |
| 9 | 21 |
| 10 | 44 |
| 11 | 76 |
| 12 | 158 |
| 13 | 281 |
| 14 | 584 |
| 15 | 1067 |
| 16 | 2211 |
| 17 | 4131 |
| 18 | 8535 |
| 19 | 16231 |
| 20 | 33481 |
| 21 | 64594 |
| 22 | 133067 |
| 23 | 259821 |
| 24 | 534869 |
| 25 | 1054751 |
| 26 | 2170736 |
| 27 | 4316320 |
| 28 | 8884035 |
| 29 | 17788985 |
| 30 | 36627593 |
| 31 | 73776883 |
| 32 | 151996070 |
| 33 | 307705669 |
| 34 | 634411061 |
| 35 | 1289890551 |
| 36 | 2661708319 |