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 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 0 |
| 6 | 2 |
| 7 | 5 |
| 8 | 7 |
| 9 | 8 |
| 10 | 14 |
| 11 | 38 |
| 12 | 64 |
| 13 | 87 |
| 14 | 174 |
| 15 | 373 |
| 16 | 649 |
| 17 | 1069 |
| 18 | 2051 |
| 19 | 4091 |
| 20 | 7453 |
| 21 | 13276 |
| 22 | 25260 |
| 23 | 48990 |
| 24 | 91378 |
| 25 | 168890 |
| 26 | 321661 |
| 27 | 618323 |
| 28 | 1169126 |
| 29 | 2203649 |
| 30 | 4211163 |
| 31 | 8085240 |
| 32 | 15421171 |
| 33 | 29390131 |
| 34 | 56382040 |
| 35 | 108443047 |
| 36 | 208077560 |
| 37 | 399310778 |