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 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 3 |
| 11 | 4 |
| 12 | 5 |
| 13 | 8 |
| 14 | 10 |
| 15 | 15 |
| 16 | 18 |
| 17 | 26 |
| 18 | 32 |
| 19 | 44 |
| 20 | 56 |
| 21 | 73 |
| 22 | 92 |
| 23 | 120 |
| 24 | 149 |
| 25 | 193 |
| 26 | 238 |
| 27 | 302 |
| 28 | 373 |
| 29 | 469 |
| 30 | 576 |
| 31 | 716 |
| 32 | 876 |
| 33 | 1081 |
| 34 | 1316 |
| 35 | 1615 |
| 36 | 1954 |
| 37 | 2383 |
| 38 | 2875 |
| 39 | 3483 |
| 40 | 4188 |
| 41 | 5048 |
| 42 | 6043 |
| 43 | 7253 |
| 44 | 8653 |
| 45 | 10341 |
| 46 | 12293 |
| 47 | 14634 |
| 48 | 17340 |
| 49 | 20567 |
| 50 | 24300 |
| 51 | 28717 |
| 52 | 33830 |