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 | 0 |
| 1 | 1 |
| 2 | 0 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 14 |
| 7 | 28 |
| 8 | 44 |
| 9 | 101 |
| 10 | 207 |
| 11 | 399 |
| 12 | 779 |
| 13 | 1609 |
| 14 | 3122 |
| 15 | 6121 |
| 16 | 11804 |
| 17 | 23631 |
| 18 | 46273 |
| 19 | 91604 |
| 20 | 178096 |
| 21 | 352419 |
| 22 | 691996 |
| 23 | 1371306 |
| 24 | 2702206 |
| 25 | 5356324 |
| 26 | 10604748 |
| 27 | 21080216 |
| 28 | 41869930 |
| 29 | 83383786 |
| 30 | 166114046 |
| 31 | 331434088 |
| 32 | 661685588 |
| 33 | 1322042390 |
| 34 | 2642367028 |
| 35 | 5283397304 |